Synonyms for make certain

Most common

make sure · ascertain · certify

All synonyms

Verb

Definitions

1. v. 1

   Synonym of make sure.

Example sentences

• ascertain We will first ascertain the cause of the disaster.
• certify Records certify that Bob passed his driving test.

By length

7 letters

certify³

9 letters

ascertain³

The small number after each word is its number of syllables (certify³ = 3 syllables).