actuate

动词 actuate:

1. put in motion or move to act
   同义词：trip, trigger, activate, set off, spark off, spark, trigger off, touch off
2. give an incentive for action
   同义词：motivate, propel, move, prompt, incite

1. He was actuated solely by greed.
   他完全是受了贪欲的驱使。