set on

set on; setting on; sets on

Definition of set on

transitive verb

1 : attack
2a obsolete : promote
b : to urge (an animal, such as a dog) to attack or pursue
c : to incite to action : instigate
d : to set to work

Examples of set on in a Sentence

without warning, bandits would set on unwary merchants as they traveled along the Silk Road

First Known Use of set on

14th century, in the meaning defined at transitive sense 1

Learn More About set on

Time Traveler for set on

Time Traveler

The first known use of set on was in the 14th century

See more words from the same century

Dictionary Entries Near set on

setoff sheet

set on


See More Nearby Entries 

Statistics for set on

Cite this Entry

“Set on.” Dictionary, Merriam-Webster, Accessed 12 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for set on


se·​ton | \ ˈsēt-ᵊn How to pronounce seton (audio) \

Medical Definition of seton

: one or more threads or horsehairs or a strip of linen introduced beneath the skin by a knife or needle to provide drainage or formerly to produce or prolong inflammation

Seton biographical name (1)

Se·​ton | \ ˈsē-tᵊn How to pronounce Seton (audio) \

Definition of Seton

 (Entry 1 of 2)

Saint Elizabeth Ann 1774–1821 Mother Seton née Bayley American religious leader


biographical name (2)

Definition of Seton (Entry 2 of 2)

Ernest Thompson 1860–1946 originally surname Thompson American (English-born) writer and illustrator


Test Your Vocabulary

Challenging Words You Should Know

  • hedgehog reading a book
  • Often used to describe “the march of time,” what does inexorable mean?
True or False

Test your knowledge - and maybe learn something along the way.

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!