Colloquy—dialogue, conference, talk.
Color—dye, hue, tint, paint, tinge.
Combination—union, league, coalition, conspiracy, alliance, confederacy.
Comely—graceful, handsome, agreeable.
Comfort—solace, console, encourage, enliven.
Comfortless—wretched, desolate, forlorn.
Comic—funny, ludicrous, ridiculous, laughable.
Command—direction, behest, order, precept, injunction.
Commanding—dictatorial, imperative, authoritative, imperious.
Commence—undertake, begin, originate.
Commend—praise, recommend, extol, applaud, approve, laud.
Commensurate—Sufficient, adequate, equal, proportionate.
Comment—utterance, explanation, exposition, annotation, note, observation, elucidation, remark.
Commiseration—feeling for, pity, compassion, condolence, sympathy.
Commission—authorize, empower, enable.
Commodious—fit, suitable, convenient.
Commodity—goods, merchandise, wares.
Common—mean, vulgar, low, frequent, general, ordinary, usual.
Commotion—perturbation, tumult, disturbance.
Communicate—tell, report, make known, disclose, impart, reveal.
Communication—commerce, intercourse, conference.
Communion—fellowship, union, converse, intercourse.
Commute—exchange, barter.
Compact—contract, agreement, covenant, firm, solid, close.
Companion—ally, accomplice, associate, comrade, friend, confederate, partner.
Company—assembly, band, crew, corporation, congregation, association.
Compass—attain, enclose, invest, besiege, environ, encircle, consummate.
Compassion—tenderness, pity, sympathy, commiseration.
Compensation—pay, amends, reward, remuneration, requital.
Competent—suitable, fitted, qualified, able, capable, efficient, effective, skillful.
Competition—rivalry, contest, emulation.
Complaining—lamenting, bemoaning, murmuring, bewailing, regretting, repining.
Complaisant—agreeable, affable, courteous, civil.
Complete—conclude, fulfill, terminate, effect, accomplish, consummate, execute, finish.
Complex—intricate, complicate, compound.
Compliment—extol, flatter, praise, congratulate.
Comply—agree, accord, accede, assent, yield, acquiesce, consent.
Compose—put together, form, settle, soothe, calm, quiet, compound.
Comprehend—appreciate, embrace, include, understand, conceive, comprise.
Compress—condense, bind, squeeze.
Compulsion—constraint, force, restraint, coercion.
Compunction—regret, penitence, remorse, repentance, contrition.
Compute—count, number, rate, estimate, calculate.
Concede—yield, grant, allow, deliver, admit, surrender.
Conceal—hide, disguise, cover, secrete.
Conceit—imagination, fancy, notion, freak.
Conceited—vain, proud, egotistical, opinionated.
Conception—perception, knowledge, fancy, idea, imagination, notion.
Concern—care, interest, affair, business, regard, matter.
Concert—contrive, manage, adjust, consult.
Conciliate—win, reconcile, propitiate.
Conclude—finish, terminate, close.
Conclusion—termination, end, inference.
Conclusive—convincing, decisive.
Concord—harmony, agreement, unity, amity, peace.
Concur—agree, coincide, approve, acquiesce.
Condemn—sentence, doom, blame, reproach, reprove.
Condense—abbreviate, shorten, contract.
Condescension—humility, submission, deference.
Condition—rank, state, bond, case, compact, situation, stipulation.
Condolence—compassion, sympathy, commiseration.
Conduce—conduct, tend, lead, contribute.
Conduct—management, behavior, guidance, deportment.
Confederate—ally, accomplice, associate.
Confer—give, bestow, discourse, grant.
Confess—acknowledge, grant, Own, admit, avow, recognize, disclose.
Confide—rely, trust, repose, depend.
Confident—impudent, bold, positive, dogmatical, absolute, assured.
Confined—limited, shut up, circumscribed, restrained, contracted, imprisoned.
Confirm—corroborate, establish, strengthen.
Conflict—contest, contention, fight, agony, combat, struggle, pang, warfare.
Conform—submit, yield, comply.
Confuse—stupefy, embarrass, abash, confound, disorder, perplex.
Congruity—agreement, consistency.
Conjecture—guess, think, surmise, belief.
Connected—related, joined, united.
Connection—intercourse, union, commerce, association, communion.
Conquer—subdue, vanquish, overcome, surmount.
Conscious—aware, sensible, apprised.
Consent—yield, agree, assent, acquiesce, comply, accede.
Consequence—result, effect, inference.
Consequently—accordingly, hence, therefore, wherefore.
Consider—ponder, deliberate, regard, reflect.
Consign—entrust, commit, transfer, make over.
Consistent—agreeing, consonant, accordant, firm.
Console—comfort, soothe, cheer.
Conspicuous—prominent, noted, distinguished, illustrious.
Constancy—perseverance, firmness, steadiness, stability.
Constantly—ever, continually, perpetually, unchangeably, incessantly.
Construct—make, build, erect, form.
Consult—consider, deliberate, advise.
Consume—waste, destroy, absorb, complete.
Consummation—perfection, completion.
Contagious—epidemic, infectious.
Contain—hold, include, embrace, comprehend.
Contaminate—pollute, defile, taint, corrupt, poison.
Contemn—scorn, despise, disdain.
Contemplate—consider, meditate, muse.
Contemptible—paltry, vile, mean, disdainful, despicable, disreputable, low.
Contend—quarrel, debate, contest, argue, vie, strive.
Contention—strife, conflict, contest, combat, dispute, dissension.
Contentment—acquiescence, happiness, satisfaction, gratification.
Contiguous—near, approximating, adjacent.
Continual—perpetual, constant, incessant, unceasing, continuous.
Continuation—continuance, duration.
Contract—arrangement, bargain, agreement, compact, covenant.
Contract—curtail, abbreviate, abridge, condense, reduce, shorten.
Contradict—gainsay, deny, oppose.
Contrary—opposite, adverse, inimical.
Contribute—assist, administer, aid, share.
Contrition—remorse, penitence, repentance, compunction, regret.
Contrivance—plan, device, means, scheme, invention.
Control—subdue, restrain, check, govern, curb.
Controversey—argument, debate, disputation, contest.
Convene—Call together, assemble, convoke.
Convenient—handy, adapted, suitable.
Conversation—dialogue, discussion, conference, colloquy.
Converse—commune, speak, talk, discourse.
Convey—take, carry, bear, transport.
Conviction—persuasion, detection, satisfaction.
Convivial—agreeable, festal, social, sociable.
Convoke—gather, assemble, convene, call together.
Curious—ample, full, abundant, exuberant, plenteous, beautiful.
Cordial—hearty, warm, sincere.
Correct—mend, amend, reform, better, improve, rectify.
Corroborate—establish, confirm, strengthen.
Corruption—depravity, pollution, defilement, adulteration, contamination, depravity, infection, putridity.
Costly—expensive, precious, valuable.
Counsel—advice, instruction, exhortation.
Counteract—change, defeat, oppose, hinder, frustrate, prevent.
Countenance—uphold, favor, encourage, support, sanction.
Countefeit—forged, feigned, false, spurious, imposture, imitation.