1. (medicine) indicating existence or presence of a suspected condition or pathogen
   "a confirming pregnancy test";
   - positive
    
2. Serving to support or corroborate
   "confirming evidence";
   - collateral, confirmative, confirmatory, corroborative, corroboratory, substantiating, substantiative, validating, validatory, verificatory, verifying

1. Establish or strengthen as with new evidence or facts
   "his story confirmed my doubts";
   - corroborate, sustain, substantiate, support, affirm
    
2. Strengthen or make more firm
   "Confirm thy soul in self-control!"; "The witnesses confirmed the victim's account";
   - reassert
    
3. Support a person for a position
   "The Senate confirmed the President's candidate for Secretary of Defense"
    
4. (religion) administer the rite of confirmation to
   "the children were confirmed in their mother's faith"

See also: Gram-positive, supportive

Type of: act, affirm, approve, beef up [informal], covenant, fortify, greenlight, green-light, move, O.K., OK, okay, sanction, strengthen

Antonym: contradict, disconfirming

Encyclopedia: Confirm