Webster's Revised Unabridged Dictionary · 1913

Desiderative

Desiderative , adjective

[Latin desiderativus.]

Denoting desire; as, desiderative verbs.

Desiderative , noun

1.
An object of desire.
2.
(Grammar) A verb formed from another verb by a change of termination, and expressing the desire of doing that which is indicated by the primitive verb.