to show or prove that something is true or correct
The scientist repeated the experiment to confirm the results.
The bank sent me a code by text to confirm my identity.
✦ From Latin confirmare “to strengthen, establish, prove,” from con- “together” + firmare “make firm.”
to tell someone officially that an arrangement, booking, or plan is definite
Please confirm your flight as soon as possible.
The hotel emailed to say they had confirmed our reservation.
to make a feeling, belief, or opinion stronger
Her smile confirmed my suspicion that she had good news.
The latest polls confirm the public's growing support for the policy.
in some Christian churches, to accept someone as a full member in a special ceremony
The bishop will confirm the teenagers next Sunday.
I was confirmed when I was twelve years old.
proof or evidence that shows something is true or correct
We finally received confirmation that our visas had been approved.
The scientist ran extra tests for confirmation of her results.
✦ Middle English confirmacioun, from Old French confirmation, from Latin confirmātiō (“strengthening, establishment”).
