confirmationaids

noun
UK /ˌkɒnfəˈmeɪʃən eɪdz/
US /ˌkɑːnfərˈmeɪʃən eɪdz/

Things that help you check that something is true.

The teacher used confirmation aids like a checklist to make sure every student finished the task.


OTHER MEANINGS

2. Materials used in a religious ceremony to confirm a person's faith.

The church prepared confirmation aids such as booklets and candles for the ceremony.

3. Tools that help confirm a booking or appointment.

The hotel sent confirmation aids, including an email and a reference number.

4. Devices or signals that confirm a message was received.

The radio system uses confirmation aids like beeps to show the message arrived.