Roget's Thesaurus

#42. Simpleness

Nouns

simpleness etc. adj.; purity, homogeneity. elimination; sifting etc. v.; purification etc. (cleanness) 652.

Verbs

render simple etc. adj.; simplify. sift, winnow, bolt, eliminate; exclude, get rid of; clear; purify etc. (clean) 652; disentangle etc. (disjoin) 44.

Adjectives

simple, uniform, of a piece [Fr.], homogeneous, single, pure, sheer, neat. unmixed, unmingled, unblended, uncombined, uncompounded; elementary, undecomposed; unadulterated, unsophisticated, unalloyed, untinged, unfortified, pur et simple [Fr.]; incomplex. free from, exempt from; exclusive.

Adverbs

simple etc. adj.. only.