Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

adj.; lucidity, comprehensibility, perspicuity; legibility, plain speaking &c (manifestation) 525; precision &c 494; phonanta synetoisy [Gr.]; a word to the wise. V. be intelligible &c adj.; speak for itself, speak volumes; tell its own tale, lie on the surface. render intelligible &c adj.; popularize, simplify, clear up; elucidate &c (explain) 522. understand, comprehend, take, take in; catch, grasp, follow, collect, master, make out; see with half an eye, see daylight, see one's way; enter into the ideas of; come to an understanding. Adj. intelligible; clear, clear as day, clear as noonday; lucid; perspicuous, transpicuous†; luminous, transparent. easily understood, easy to understand, for the million, intelligible to the meanest capacity, popularized. plain, distinct, explicit; positive; definite &c (precise) 494. graphic; expressive &c (meaning) 516; illustrative &c (explanatory) 522. unambiguous, unequivocal, unmistakable &c (manifest) 525; unconfused; legible, recognizable; obvious &c 525. Adv. in plain terms, in plain words, in plain English. Phr. he that runs may read &c (manifest) 525.