One of the mysteries of the English language finally explained.
By arbitrary application of a word or sign to a particular meaning, without a natural or logical basis. More generally: arbitrarily, as one pleases.
Mid 16th century; earliest use found in Thomas Cranmer (1489–1556), archbishop of Canterbury. From post-classical Latin ad placitum by agreement from classical Latin ad according to + placitum opinion, condition, in post-classical Latin also agreement.
ad placitum/ˌad ˈplasɪtəm/
In this article we explore how to impress employers with a spot-on CV.