de·sid·er·a·tive 
(dĭ-sĭdər-ə-tĭv, -ə-rā′-, -zĭd-)
(dĭ-sĭdər-ə-tĭv, -ə-rā′-, -zĭd-)adj.
1. Of, relating to, or expressing desire.
2. Grammar Designating a clause, a sentence, or in some languages an inflected verb form that expresses desire.