The act or quality of endorsing
Sponsorship, in means of money, by a company, business or enterprise.
An amendment or annotation to an insurance contract or other official document (such as a driving licence).
An instructor's signed acknowledgement of time practising specific flying skills.
Permission to carry out a specific skill or application in a field in which the practitioner already has a general licence.
Support from an important, renowned figure of a media (celebrity, politics, sports, etc.), to get back up.
An approval, by an authority, generally one that makes something valid.
A penalty, punishment, or some coercive measure, intended to ensure compliance; especially one adopted by several nations, or by an international body.
A law, treaty, or contract, or a clause within a law, treaty, or contract, specifying any of the above.
To penalize (a state etc.) with sanctions.
To ratify; to make valid.
To give official authorization or approval to; to countenance.