1. (

• confirm ,
• corroborate ,
• sustain ,
• substantiate ,
• support ,
• affirm

) establish or strengthen as with new evidence or facts; "his story confirmed my doubts"; "The evidence supports the defendant" ;

2. (

• confirm ,
• reassert

) strengthen or make more firm; "The witnesses confirmed the victim's account" ;

3. (

• confirm

) make more firm; "Confirm thy soul in self-control!" ;

4. (

• confirm ,

) support a person for a position; "The Senate confirmed the President's candidate for Secretary of Defense" ;

5. (

• confirm

) administer the rite of confirmation to; "the children were confirmed in their mother's faith" ;