REAL—actual, literal, practical, positive, certain, genuine, true. (Unreal.)
REALIZE—accomplish, achieve, effect, gain, get, acquire, comprehend.
REAP—gain, get, acquire, obtain.
REASON, n.—motive, design, end, proof, cause, ground, purpose.
REASON, v.—deduce, draw from, trace, conclude.
REASONABLE—rational, wise, honest, fair, right, just. (Unreasonable.)
REBELLION—insurrection, revolt.
RECANT—recall, abjure, retract, revoke.
RECEDE—retire, retreat, withdraw, ebb.
RECEIVE—accept, take, admit, entertain.