confirmative
adjective
con·fir·ma·tive
kənˈfərmət|iv,
-fə̄m-,
-fəim-,
-mət| also |əv
: tending to confirm or establish
confirmatively adverb
|ə̇vlē
-li
Word History
Etymology
Late Latin confirmativus, from Latin confirmatus + -ivus -ive