set on

(noun) United States religious leader who was the first person born in the United States to be canonized (1774-1821). Synonyms: Seton, Elizabeth Seton, Saint Elizabeth Ann Bayley Seton, Mother Seton.

(verb) attack someone physically or emotionally. Synonyms: assail, assault, set on, attack. Examples: "The mugger assaulted the woman." "Nightmares assailed him regularly."