noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   A signature made to confirm or endorse another.
2. 2
   a second confirming signature endorsing a document already signed wordnet

Synonyms

All synonyms

acceptanceaffirmationapprobationapprovalauthorizationautograph

Etymology

From counter- + signature.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.