1) Having or expressing desire 
• (n.) 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. • (n.) An object of desire. • (a.) Denoting desire; as, desiderative verbs.
De·sid'er·a·tive adjective [ Latin desiderativus .] Denoting desire; as, desiderative verbs. 
having or expressing desire. · (of a verb derived from another verb) expressing desire to perform the action denoted by the underlying verb, as Sanskrit pi-pati&sdotu;-ati “he wishes to fly” from pát-ati, “he flies.”