consummatory
/kənˈsʌmət(ə)ri/ /ˌkɒns(j)ʊˈmeɪt(ə)ri/adjective
1= consummative.
2 Physiology 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.
Origin
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).