To perceive the truth or factuality of; to be certain of or that.
To experience.
To understand or have a grasp of through experience or study.
To be or become aware or cognizant.
To be able to play or perform (a song or other piece of music).
To be acquainted or familiar with; to have encountered.
To be aware of; to be cognizant of.
To recognize as the same (as someone or something previously encountered) after an absence or change.
To have knowledge; to have information, be informed.
Knowledge; the state of knowing.
Knowledge; the state of knowing; now confined to the fixed phrase ‘in the know’
To establish the authenticity of; to vouch for.
To provide (a beneficiary) with a voucher.
To provide a vouch for (an expenditure).
A copy of a published advertisement sent by the agency to the client as proof of publication.
A receipt.
One who or that which vouches.
A mechanical device used in shops for automatically registering the amount of money drawn.
A piece of paper that entitles the holder to a discount, or that can be exchanged for goods and services.