e ‧ lat ‧ ed /ɪˈleɪtəd, ɪˈleɪtɪd/ BrE AmE adjective
[ Date: 1500-1600 ; Language: Latin ; Origin: elatus , past participle of efferre 'to carry up' ]
extremely happy and excited, especially because of something that has happened or is going to happen OPP depressed :
He felt elated and mildly drunk.
elated at/by
She was elated at the prospect of a holiday.