Synonym of ENDORSEMENT

Reprimand
Censure
Recommendation
Reproach

The correct answer is C. Recommendation.

A recommendation is a favorable statement about someone or something, especially one that is written to support a person’s application for a job or a place at school.

A reprimand is a formal statement of disapproval or criticism.

Censure is an expression of strong disapproval or criticism.

A reproach is an expression of disapproval or criticism.

In this case, the word “endorsement” means to give support or approval to someone or something. Of the four options, only “recommendation” has this meaning.