register, v. record, enroll, matriculate.

registration, n. registry, enrollment, matriculation.

regret, n. sorrow, compunction, deprecation, rue.

regret, v. deplore, be sorry for, rue, deprecate.

regular, a. formal, normal, conventional, systematic:  steady, uniform, methodical, constant; (Colloq.) unmitigated, thorough, out-and-out.

regularity, n. uniformity, symmetry, shapeliness, constancy, order, system, method.  Antonyms:  irregularity, inconstancy, unshapeliness, disorder.

rehash, n. rechauffe.

reign, n. sovereignty, rule, dominion; regnancy, sway, power, influence; kingdom, realm.

reins, n. pl. loins.

reject, v. cast away, discard; refuse, decline, rebuff, repulse, contemn, repudiate.

rejection, n. refusal, declination, rebuff, repulse, discarding, repudiation.

rejoice, v. glory, exult; gladden, cheer, delight, please, exhilarate.

rejoicing, n. joy, gladness, exultation, delight, pleasure.

relate, v. recount, narrate, tell.

related, a. allied, cognate, german, agnate, akin, kindred; consanguineous; cognate; agnate; correlated, correlative.

relation, n. connection, bearing, relationship, reference, correlation, alliance, correspondence, relevancy; affinity, consanguinity, kindred, kinship, cognation, filiation; telling, account, recital, narration, narrative, detail, report.  Antonyms:  irrelation, alienage.

relationship, n. kindred, affinity, alliance, kinship, cognation.

relationship by blood. consanguinity; cognation; agnation.

relationship by marriage. affinity.

relative, a. relating, referring, respecting, pertaining; particular, definite, specific, pertinent.

relative, n. relation, kinsman, kinswoman, connection; cognate, agnate.  Associated Words:  nepotism, nepotic, nepotist.

relax, v. loosen, slacken; abate, diminish, mitigate, temper.

relaxation, n. loosening, slackening; diversion, recreation, rest.

relay, n. reinforcement.

release, v. liberate, loose, discharge, free, acquit, extricate, disengage, relinquish, absolve, remit, relieve, exonerate, disencumber.

release, n. liberation, discharge, deliverance, acquittance, extrication, exoneration, disengagement, freedom.

relentless, a. ruthless, implacable, unrelenting, inexorable, unmerciful.

relevancy, n. pertinency, applicability, relevance.

relevant, a. pertinent, germane, apposite.

reliability, n. trustworthiness.

reliable, a. trustworthy, trusty, dependable.

reliance, n. dependence, confidence, trust.

reliant, a. confident, trusting.

relics, n. pl. leavings, remains, reliquiae, remnants; memorial, souvenir, memento, trophy, keepsake.  Associated Words:  reliquary, confession, hierotheca.