Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun instigation

2 senses of instigation

Sense 1
abetment, abettal, instigation -- (the verbal act of urging on)
       => encouragement -- (the expression of approval and support)

Sense 2
fomentation, instigation -- (deliberate and intentional triggering (of trouble or discord))
       => trigger, induction, initiation -- (an act that sets in motion some course of events)