deed, exploit, feat, effort - a notable achievement; "he performed a great deed"; "the book was her finest effort"

sending - the act of causing something to go (especially messages)

trigger, initiation, induction - an act that sets in motion some course of events

coercion, compulsion - using force to cause something; "though pressed into rugby under compulsion I began to enjoy the game"; "they didn`t have to use coercion"

influence - causing something without any direct or apparent effort

inducing, inducement - act of bringing about a desired result; "inducement of sleep"