company, n. guest, visitor; fellowship, companionship, association, society; companion, escort; assembly, group, concourse, crowd; corporation, syndicate, firm, house; troupe; band, guild.  See society.  Antonyms:  seclusion, loneliness, retirement, host.

compare, v. collate, liken.

comparison, n. collation; illustration, similitude, simile.

compass, n.  Associated Words:  binnacle, gimbal.

compass, n. extent, reach, sweep.

compassion, n. pity, sympathy, commiseration, condolence mercy.

compel, v. force, make, constrain, oblige, necessitate, coerce, drive, dragoon, overpower.

compelling, a. forcible, coercive, constraining, imperative, compulsory.  Antonyms:  elective, optional, discretional.

compelling, n. compulsion, coercion, constraint, duress, force.

compendium, n. epitome, summary, digest.

competency, n. fitness, ability, qualification, efficiency, proficiency, capability.

competent, a. qualified, capable, efficient, proficient, able.  Antonym:  incompetent.

competition, n. emulation, rivalry, contention, strife.

competitor, n. rival, contestant, opponent, antagonist.

complain, v. murmur, repine, grumble, whine, croak.

complaining, a. murmuring, repining, querimonious, querulous, discontented, grumbling.

complaint, n. murmur, plaint, lamentation; malady, ailment, disease; accusation, allegation, information.

complete, v. finish, consummate, perfect.

complete, a. entire, consummate, whole, integral, plenary, unabridged, intact.

completion, n. consummation, integration, elaboration, finishing, realization, effectuation.

complex, a. composite, compound, mixed; complicated, intricate, involved.  Antonyms:  incomplex, simple, obvious.

complexity, n. intricacy, entanglement, complication.

compliance, n. yielding, concession, submission, obedience, acquiescence.

compliant, a. yielding, obedient, tractable, submissive, flexible.

complicated, a. complex, intricate, involved, entangled, complicate.

complication, n. intricacy, entanglement, involution, complexity, snarl, confusion, imbroglio.  Antonyms:  disentanglement, simplicity.

composure, n. self-possession, calmness, sedateness, equanimity.

compound, n. combination, mixture, concoction, amalgamation, intermixture, conglomeration, farrago, medley, synthesis, salmagundi, jumble, olio, hodgepodge, olla podrida.

comprehend, v. understand, fathom, grasp; embrace, comprise, embody, contain.

comprehension, n. understanding, apprehension.  Antonyms:  incomprehension, inapprehension.

comprise, v. comprehend, include, embrace, involve, contain, embody.

compulsion, n. constraint, coercion, obligation, coaction.  Antonyms:  discretion, spontaneity, volition, election, free-will.