RhymeZone: absolutive definitions

Definitions of absolutive:

adjective: (grammar) Of or pertaining to the grammatical case used to indicate the patient or experiencer of a verb’s action.
adjective: (rare) Of, exhibiting, or pertaining to absolution; absolutory, absolving.
noun: (grammar) The absolutive case, or a phrase that uses it.
noun: (grammar) An uninflected verb form used to indicate another action performed by the subject of the principal verb.

(Definitions from Wiktionary)