Synonyms and related words :
adulterate, analyze, attenuate, contradistinguish, cut, demarcate, demark, dematerialize, differentiate, dilute, discriminate, disembody, distinguish, divide, draw the line, emacerate, emaciate, enervate, etherealize, expand, mark the interface, pick out, rarefy, sap, screen, screen out, segregate, select, separate, set a limit, set apart, set off, sever, severalize, sieve, sieve out, sift, sift out, sort, sort out, spiritualize, split hairs, subdivide, thin, thin away, thin down, thin out, water, water down, weaken, winnow