Early 19th century; earliest use found in The Monthly Magazine and British Register. From classical Latin adaptāt-, past participial stem of adaptāreadapt + -ive.
Definition of adaptative in US English:
adaptative
adjectiveəˈdaptətɪv
Adaptive.
Origin
Early 19th century; earliest use found in The Monthly Magazine and British Register. From classical Latin adaptāt-, past participial stem of adaptāre adapt + -ive.