1. (verb) put in motion or move to act

• activate
• set off
• spark
• spark off
• touch off
• trigger
• trigger off
• trip

2. (verb) give an incentive for action

• incite
• motivate
• move
• prompt
• propel

1. (verb) put in motion or move to act

• initiate
• pioneer

2. (verb) give an incentive for action

• cause
• do
• make

1. (verb) put in motion or move to act

• act
• deed
• human action
• human activity
• activation
• actuation
• propulsion
• actuator
• induction
• initiation
• trigger
• spark
• trip
• trip
• tripper
• tripper

2. (verb) give an incentive for action

• act
• deed
• human action
• human activity
• actuation
• propulsion
• incentive
• inducement
• motivator
• incitation
• incitement
• provocation
• incitement
• provocation
• motivating
• motivation
• motivating
• motivative
• motive
• motivation
• motivation
• motive
• motive
• need
• need
• motivation