Longman Dictionary of Contemporary English homepage

Date: 1500-1600
Language: Medieval Latin
Origin: , past participle of actuare, from Latin actus; ACT1

actuate

verb
     
ac‧tu‧ate [transitive] formal
1

be actuated by something

to behave in a particular way because of something:
He was actuated by violent jealousy.
2 to make a piece of machinery start to operate

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary