Same word as Enthusiastic:

agog,animated,anxious,ardent, athirst, attracted,avid, bugged,concerned, crazy about,devoted, dying to,eager,earnest,ebullient, exhilarated,exuberant,fanatical,fascinated,fervent,fervid,forceful, gaga, gone on, gung ho,hearty,intent,keen, keyed up,lively,