Synonyms of endorse

endorse

verb

in-ˈdȯrs 

variants also indorse

as in to advocate

to promote the interests or cause of

an increase in the number of parents who endorse the idea of school uniforms

Synonyms & Similar Words

• advocate
• support
• adopt
• embrace
• patronize
• help
• back
• champion
• assist
• stand up for
• go in for
• aid
• stick up for
• espouse
• hold a brief for
• reinforce
• plunk (for)
• go to bat for
• plump (for)
• plonk (for)
• preach
• abet
• forward
• bolster
• save
• side (with)
• further
• second
• buttress
• advance
• rescue
• prop (up)
• boost
• bail out
• backstop
• plug
• deliver
• talk up

Antonyms & Near Antonyms

• oppose
• interfere
• thwart
• frustrate
• sabotage
• fail
• disappoint
• foil
• let down
• baffle
• desert

Synonym Chooser

How does the verb endorse differ from other similar words?

Some common synonyms of endorse are accredit, approve, certify, and sanction. While all these words mean "to have or express a favorable opinion of," endorse suggests an explicit statement of support.

publicly endorsed her for Senator

How are the words accredit and certify related as synonyms of endorse?

Both accredit and certify usually imply official endorsement attesting to conformity to set standards.

the board voted to accredit the college

must be certified to teach

When would approve be a good substitute for endorse?

The synonyms approve and endorse are sometimes interchangeable, but approve often implies no more than this but may suggest considerable esteem or admiration.

the parents approve of the marriage

In what contexts can sanction take the place of endorse?

The words sanction and endorse are synonyms, but do differ in nuance. Specifically, sanction implies both approval and authorization.

the President sanctioned covert operations

Example Sentences

Recent Examples of endorse

The study also found that chatbots rarely endorse conspiracy theories—such as election denial or vaccine misinformation—contrasting sharply with social media, where such beliefs are over-represented. —Jeremy Kahn, Fortune, 31 Mar. 2026

Kendrick, a Hickman Mills district parent and grandparent, is endorsed by local Civil Rights leader and former Kansas City Councilmember Alvin Brooks. —Ilana Arougheti, Kansas City Star, 31 Mar. 2026

Trump endorsed Biggs in the Republican gubernatorial primary. —Stephanie Murray, AZCentral.com, 31 Mar. 2026

It’s been endorsed by all those medical groups. —Katy Golvala, Hartford Courant, 31 Mar. 2026