THESAURUS
split hairs
analyze, anatomize, around the bush, atomize, beat about, beg the question, bicker, boggle, cavil, change, chop logic, choplogic, contradistinguish, demarcate, demark, desynonymize, difference, differentiate, discriminate, disequalize, disjoin, distinguish, diversify, divide, dodge, draw the line, equivocate, evade, evade the issue, fence, hedge, individualize, individuate, make a distinction, mark, mark off, mark out, mark the interface, modify, mystify, nitpick, obscure, palter, parry, particularize, personalize, pick nits, pick out, prevaricate, pussyfoot, quibble, refine a distinction, screen, screen out, segregate, select, separate, set a limit, set apart, set off, sever, severalize, shift, shuffle, shy, sidestep, sieve, sieve out, sift, sift out, sort, sort out, specialize, subdivide, subtilize, tergiversate, vary, winnow
ROGET THESAURUS
split hairs
Discrimination
VB
discriminate, distinguish, severalize, recognize, match, identify, separate, draw the line, sift, separate the chaff from the wheat, winnow the chaff from the wheat, separate the men from the boys,
split hairs, draw a fine line, nitpick, quibble, estimate, know which is which, know what is what, know 'a hawk from a handsaw', take into account, take into consideration, give due weight to, allow due weight to, weigh carefully.
& Sophistry
VB
judge intuitively, judge by intuition, hazard a proposition, hazard a guess, talk at random, reason ill, falsely, misjudge, paralogize, take on faith, take as a given, assume (supposition), pervert, quibble, equivocate, mystify, evade, elude, gloss over, varnish, misteach, mislead, cavil, refine, subtilize,
split hairs, misrepresent, beg the question, reason in a circle, reason in circles, assume the conclusion, cut blocks with a razor, beat about the bush, play fast and loose, play fast and loose with the facts, blow hot and cold, prove that black is white and white black, travel out of the record, parler a tort et a travers, put oneself out of court, not have a leg to stand on, judge hastily, shoot from the hip, jump to conclusions (misjudgment).