1. To grant credentials to; as of educational institutions; SYN. recognize.
2. To provide or send with official credentials; as of envoys.
3. To give credit for; SYN. credit.
4. Attribute; gain belief for; attach officially.
To establish the authenticity of something.
(Alternate spelling: notarise).
1. To authenticate as a notary.
2. To acknowledge or attest as a notary public.