1. Assume away
or removing. "Where the heart
is forestalled with misopinion, ablative
directions are found needful to unteach error, ere we can teach truth." (Bp. Hall)
2. Applied to one of the cases of the noun in Latin and some another languages, the fundamental
importance of the case being
removal, separation, or assume away.
Origin: F. Ablatif, ablative, L. Ablativus fr. Ablatus.
Source: Websters Vocabulary