The definition of ative is relating to or serving to.
(suffix)An example of ative used as a suffix is in the word informative, which means relating to give information.
See -ative in Webster's New World College Dictionary
Origin: < Fr or L; Fr -atif, fem. -ative < L -ativus
See -ative in American Heritage Dictionary 4
Origin:
Origin: Middle English
Origin: , from Old French -atif, -ative
Origin: , from Latin -ātīvus
Origin: , from -ātus, past participle suff.; see -ate1
.