Synonyms of impact

1 Syllable
push, jolt, hit, bump, blow, knock, whomp, rams, jar, clash, bang, crunch, pound, shock, crush, brunt, ram, punch, touch, thump, rap, slap, bonk, rock, kick, crash, smash
2 Syllables
strike, taction, quiver, meeting, constrait, bounce, ramming, quake, splashdown, embed, force, buffet, clashed, jounce, wallop, tremor, rammed, shake, stroke, contact, bombshell, tremble, clashes, smashup
3 Syllables
aftermath, followup, concussions, traumatism, collision, concussion, impressions, blindside, percussions, percussion, haymakers, collisions, walloped, succussion, encounter, embedding, impression, uppercut, thunderbolt, palpations, follow-up, follow-through, re-echo, bell-ringer, fisticuff, haymaker, palpation, appulse
4 Syllables
repercussions, tactility, sideswipe, repercussion, impingement