THESAURUS
underscore
accent, accentuate, band, bar, belabor, blaze, blaze a trail, blemish, blotch, brand, chalk, chalk up, check, check off, cicatrize, cross-hatching, dapple, dash, define, delimit, delineation, demarcate, diagonal, discolor, dot, dotted line, dwell on, emphasize, engrave, feature, fleck, freckle, gash, give emphasis to, hachure, hairline, harp on, hatch, hatching, highlight, impress, imprint, italicize, line, lineation, make a mark, mark, mark off, mark out, mottle, nick, notch, overaccentuate, overemphasize, overstress, pencil, pepper, place emphasis on, play up, point, point up, prick, print, punch, punctuate, puncture, riddle, rub in, scar, scarify, score, scotch, scratch, seal, seam, slash, speck, speckle, splotch, spot, spotlight, stain, stamp, star, stigmatize, streak, streaking, stress, striate, striation, strip, stripe, striping, stroke, sublineation, tattoo, tick, tick off, trace, underline, underlining, underscoring, virgule
ROGET THESAURUS
underscore
Indication
VB
indicate, be the sign, of, denote, betoken, argue, testify, bear the impress, of, connote, connotate, represent, stand for, typify, symbolize, put an indication, put a mark, note, mark, stamp, earmark, blaze, label, ticket, docket, dot, spot, score, dash, trace, chalk, print, imprint, impress, engrave, stereotype, make a sign, signalize,
underscore, give a signal, hang out a signal, beckon, nod, wink, glance, leer, nudge, shrug, tip the wink, gesticulate, raise the finger, hold up the finger, raise the hand, hold up the hand, saw the air, suit the action to the word, wave a banner, unfurl a banner, hoist a banner, hang out a banner, wave the hand, wave a kerchief, give the cue, show one's colors, give an alarm, sound an alarm, beat the drum, sound the trumpets, raise a cry, sign, seal, attest, underline, call attention to, give notice.