Learn how to say Confirming correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word confirm:
(may take a clause as object) to prove to be true or valid; corroborate; verify
(may take a clause as object) to assert for a second or further time, so as to make more definite ⇒ he confirmed that he would appear in court
to strengthen or make more firm ⇒ his story confirmed my doubts
to make valid by a formal act or agreement; ratify
to administer the rite of confirmation to