One of the mysteries of the English language finally explained.
2Physiology and Psychology. Designating an action that has direct survival value to an individual or a species, or that completes a behavioural sequence; relating to such an action.
Early 17th century; earliest use found in Francis Rous (?1581–1659), religious writer and politician. From consummate + -ory. Compare post-classical Latin consummatorius that completes or perfects (400).
In this article we explore how to impress employers with a spot-on CV.