[-ative] adj suffix [ME, fr. MF -atif, fr. L -ativus, fr. -atus -ate + -ivus -ive]: of, relating to, or connected with "authoritative": tending to "talkative"
-ATIVE
Meaning of -ATIVE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012