noun

confirmation

kahn-fer-MAY-shuhn/ˌkɑːnfərˈmeɪʃn/

An act establishing something as valid or settled.

The matching picture provides confirmation that this is the correct chair.

A delivered red chair stands beside a document showing a matching red-chair picture with a clear check mark, visual proof of a correct order; no other text or logos.

Etymology

conLatintogether; perhaps adds emphasis here

+firmLatinto strengthen

+ationLatinaction or result

The strengthening idea in firmare, perhaps intensified by con-, underlies confirmation. What strengthens a claim makes it more certain, so the noun came to mean the proof or assurance supporting its truth.

In context

Modern-Day Debate24:03

I didn't claim proof I claim confirmation that's what you can do in science there's no such thing as proof in science

DEBATE: Is Flat Earth Still Tenable After The Final Experiment? | MCToon Vs Brian'sLogic

More examples

We receive written confirmation of our hotel reservation.
The nominee needs Senate confirmation before taking office.
Her confirmation affirms her faith and membership in the church.

Forms

confirmation · confirmations

confirm verb — To establish as true, valid, or settled.

Similar words

verification: Focuses on checking whether information is true or accurate.
ratification: Means formal approval that makes an agreement or decision official.