Synonyms for Delineate (same or very similar meaning)
WordNet sense 1 (show the form or outline of):
define
WordNet sense 2 (determine the essential quality of):
delimit, specify, delimitate
WordNet sense 3 (represented graphically by sketch or design or lines):
portrayed
WordNet sense 4 (represented accurately or precisely):
delineated, represented
WordNet sense 5 (trace the shape of):
limn, outline
WordNet sense 6 (make a mark or lines on a surface):
describe, draw, line, trace
From the ODE community, based on WordNet
add/edit