# set on

> English word · Verb

## Definitions
1. To attack.
2. To encourage someone, or an animal, to attack someone.
3. To be determined to do or achieve something.

## Etymology
For semantic parallels, compare cognate German ansetzen; Russian насе́сть pf (naséstʹ), наседа́ть impf (nasedátʹ).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/set-on