instigate
1. [ verb ] provoke or stir up
Synonyms: incite stir_up set_off
Examples:

"incite a riot" "set off great unrest among the people"

Related terms: provoke raise incitation incitement instigator act
2. [ verb ] serve as the inciting cause of
Synonyms: inspire prompt
Examples:

"She prompted me to call my relatives"

Related terms: induce suggestion abetment
Similar spelling:   instantiate
  instigative
  insatiate
  instigant
  inactivate
  instigator
  instigation
  institute
  instep
  insatiable
  instilling
  instinctive
  inestimable
  instead
  instinct
  ingathering
  inactive
  incitive
  instil
  inmost
  instilment
  insatiably
  inchoate
  instructed
  instead_of
  in-situ
  instill
  instillator
  instillment
  instinctual
  institution
  instant
  in_situ