Definition of "set on"

set on

verb
third-person singular simple present sets on, present participle setting on, simple past and past participle set on
1. To attack.
  Quotations
  Cassio hath here been set on in the dark.
  c. 1603–1604 (date written), William Shakespeare, “The Tragedie of Othello, the Moore of Venice”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act V, scene i]
2. To encourage someone, or an animal, to attack someone.
3. To be determined to do or achieve something.
  Quotations
  Chula[longkorn University is] still set on demolishing historic shrine – once it evicts caretakers
  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