require, v. demand, claim, exact, need, want, necessitate, enjoin.

requirement, n. demand, requisition, requisite; command, essential, need.

requisite, a. necessary, required, essential, indispensable.

requital, n. recompense, remuneration, retribution, recaliation, reprisal.

requite, v. compensate, remunerate, repay, pay, retaliate, avenge, reciprocate.

rescue, n. deliverance, liberation, salvation, ransom, extrication, disentanglement.

rescue, v. release, deliver, liberate, recapture, redeem, save, extricate, disenthrall.

resemblance, n. likeness, similitude, similarity, analogy, parity, semblance.

resentment, n. dudgeon, umbrage, displeasure, grudge.

reserve, n. reticence, constraint, uncommunicativeness, taciturnity, restraint.

reserved, a. retained, withheld, excepted; uncommunicative, reticent, taciturn, restrained.

residence, n. dwelling, domiciliation, abode, habitancy, habitation, domicile, home.

resident, n. denizen, inhabitant, dweller, residentiary.

residue, n. remainder, remnant, residuum, rest, balance; surplus, excess.

resign, v. demit, abdicate, withdraw, surrender, relinquish, submit.

resignation, n. surrender, abdication, demit; forbearance, fortitude, long-suffering, patience.

resigned, a. surrendered; uncomplaining, submissive, patient.

resist, v. oppose, withstand, impugn, oppugn, defy, baffle, contravene, rebuff.

resistance, n. opposition, renitence, recalcitration, oppugnation, antagonism, rebuff.

resistant, a. resisting, opposing, renitent.

resistless, a. irresistible.

resolute, a. determined, unwavering, unflinching, steadfast, firm, pertinacious.

resolution, n. firmness, determination, pertinacity, persistence, steadfastness, constancy; resolve, purpose, determination; decomposition, solution, dissolution.

resolvable, a. solvable, resoluble, dissolvable.

resolve, v. determine; dissolve, liquefy.

resolve, n. resolution, determination, intention, purpose, design.

resonance, n. reverberation.

resonant, a. resounding, reverberating.

resound, v. reverberate, reecho, peal.

resound, n. echo, reverberation.

resounder, n. resonator, reverberator.

resounding, a. resonant.

resource, n. resort, expedient, device, shift.

resources, n. pl. assets, means.

respect, n. care, caution, regard; esteem, veneration, deference, reverence, homage, obeisance; reference, regard; particular, feature.  Antonyms:  See disrespect.

respect, v. esteem, venerate, revere, honor, reverence.

respectable, a. reputable, honorable, estimable; moderate, fair, average.

respectful, a. deferential, courteous, polite, obeisant, reverent.  Antonyms:  disrespectful, discourteous, defiant, irreverent.