air, analyze, appraise, assess, assort, bolt, canvass, catalog, categorize, choose, choose out, clarify, class, classify, clear, collate, comb, comment upon, consider, contradistinguish, controvert, cordon, cordon off, cull, cull out, deal with, debate, decide between, decrassify, deliberate, deliberate upon, delve into, demarcate, demark, depurate, differentiate, dig into, discourse about, discriminate, discuss, distill, distinguish, divide, draw the line, edulcorate, elute, essentialize, evaluate, examine, excerpt, exchange views, explore, extract, factor, fathom, filter, filtrate, gauge, ghettoize, gin, glean, go into, gradate, grade, group, handle, handpick, identify, indagate, inquire into, insulate, investigate, isolate, keep apart, keep aside, knock around, lay aside, leach, lixiviate, look into, make a selection, mark the interface, pass under review, peer into, percolate, pick, pick out, plumb, poke into, probe, prospect, pry into, purify, put aside, quarantine, rank, rap, reason, reason about, reason the point, rectify, refine, review, riddle, screen, screen out, scrutinize, search into, seclude, segregate, select, separate, set a limit, set apart, set aside, set off, sever, severalize, sieve, sieve out, sift out, single out, size, sort, sort out, sound, spiritualize, split hairs, strain, study, subdivide, sublimate, sublime, subordinate, subtilize, take up, talk, talk about, talk of, talk over, thrash, thrash out, thresh, thresh out, treat, try, ventilate, weed out, weigh, winnow