ROGET THESAURUS
Justle
Contention
VB
contend, contest, strive, struggle, scramble, wrestle, spar, square, exchange blows, exchange fisticuffs, fib, justle, tussle, tilt, box, stave, fence, skirmish, pickeer, fight, wrangle, contend with, grapple with, engage with, close with, buckle with, bandy with, try conclusions with, have a brush, with, tilt with, encounter, fall foul of, pitch into, clapperclaw, run a tilt at, oppose, reluct, join issue, come to blows, go to loggerheads, set to, come to the scratch, exchange shots, measure swords, meet hand to hand, take up the cudgels, take up the glove, take up the gauntlet, enter the lists, couch one's lance, give satisfaction, appeal to arms, lay about one, break the peace, compete with, cope with, vie with, race with, outvie, emulate, rival, run a race, contend for, stipulate for, stickle for, insist upon, make a point of.
Impulse
VB
flash on the mind, say what comes uppermost, improvise, extemporize, give an impetus, impel, push, start, give a start to, set going, drive, urge, boom, thrust, prod, foin, cant, elbow, shoulder, jostle, justle, hustle, hurtle, shove, jog, jolt, encounter, run against, bump against, butt against, knock one's head against, run one's head against, impinge, boost, bunt, carom, clip y, fan, fan out, jab, plug, strike, knock, hit, tap, rap, slap, flap, dab, pat, thump, beat, blow, bang, slam, dash, punch, thwack, whack, hit hard, strike hard, swap, batter, dowse, baste, pelt, patter, buffet, belabor, fetch one a blow, poke at, pink, lunge, yerk, kick, calcitrate, butt, strike at, whip, come into a collision, enter into collision, collide, sideswipe, foul, fall foul of, run foul of, telescope, throw.