- To attack.
- c. 1603–1604, William Shakespeare, “The Tragedie of Othello, the Moore of Venice”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358, [Act V, scene i]:
- Cassio hath here been set on in the dark.
- To encourage someone, or an animal, to attack someone.
- I will set the dogs on you, if you don't leave right now!
- To be determined to do or achieve something.
- 2020 June 17, Coconuts Bangkok, “Chula still set on demolishing historic shrine – once it evicts caretakers”, in coconuts.co, coconuts.co, retrieved 2020-06-17:
- Chula[longkorn University is] still set on demolishing historic shrine – once it evicts caretakers
- set on at OneLook Dictionary Search
- set on in The Century Dictionary, New York, N.Y.: The Century Co., 1911.