reason, v. ratiocinate, syllogize; argue, remonstrate, expostulate.

reasonable, a. rational; logical, just; conscionable, fair, moderate, equitable.

reasoner, n. logician.

reasoning, n. ratiocination, argumentation, syllogism, discursus; (sophistical or false) sophistry, fallacy, casuistry.

reata, n. lariat, lasso, riata.

rebate, n. deduction, discount, allowance.

rebel, n. insurgent, revolter, turncoat.

rebel, v. revolt, mutiny.

rebellion, n. insurrection, insurgency, mutiny, sedition, revolt, insubordination.

rebellious, a. insurgent, seditious, mutinous, insubordinate, refractory.  Antonyms:  dutiful, submissive, docile, compliant, deferential, obedient.

rebound, v. recoil, ricochet; reverberate, reecho.

rebound, n. rebounding, resilience, repercussion, recoil, ricochet.

rebuff, n. repulse, resistance, opposition, repellence, check, setback.

rebuff, v. repulse, resist, repel, oppose.

rebuke, v. reprove, upbraid, censure, reprehend, chide, admonish.

rebuke, n. reproof, censure; chastisement, punishment.

recall, v. revoke, annul, retract, recant, rescind, repeal, abjure; remember, recollect.

recall, n. revocation, rescission, repeal, recantation, retraction.

recalling, a. revocatory.

recant, v. retract, abjure.

recantation, n. retraction, abjuration, retractation.

recapitulate, v. summarize.

recapitulation, n. summary, resume.

receipt, n. receiving, reception; formula, recipe, formulary; voucher.

receive, v. take, accept; admit, allow; welcome; hold, contain.

receiver, n. recipient, donee; beneficiary; receptacle; fence (receiver of stolen goods).

recent, a. new, late.

receptacle, n. container, repository.

reception, n. receipt, receiving; levee, soiree, function; acceptance, welcome, admittance.

recess, n. retreat, withdrawal, retirement; intermission; alcove, niche, nook, retreat; seclusion, privacy.

recipe, n. formula, receipt.

recipient, n. receiver, beneficiary, donee, conferree.

reciprocity, n. reciprocation, interchange.

recital, n. recitation, narration, narrative.

recitation, n. reciting, rehearsal; cantillation (recitation with musical modulations).

recite, v. relate, recount, repeat, deliver; cantillate.

reckless, a. heedless, inconsiderate, unmindful, thoughtless, temerarious, rash, uncircumspect, incautious, hasty, foolhardy.

reckon, v. compute, calculate, count, enumerate; esteem, regard.

reckoning, n. computation, calculation, enumeration; settlement, adjustment.

reclaim, v. tame, domesticate; reform.

reclamation, n. reclaiming, recovery, reformation.