döntésében
Döntésében is a Hungarian grammatical form rather than a separate lexical entry. It means “in his/her/its decision” or more generally “in its decision,” and it is formed from the noun döntés (decision) combined with the possessive suffix and the inessive case. Specifically, the noun recebe the possessive suffix -e to produce döntése (his/her/its decision), and the inessive suffix -ben attaches to that form to yield döntésében. The result encodes both the possessor and the location or content referred to.
Morphology and construction can be broken down as follows: döntés (decision) + -e (possessive suffix for 3rd
Usage notes and typical contexts: döntésében is most common in formal, legal, or administrative Hungarian. It
See also: döntés, inessive cases in Hungarian, possessive constructions.