From BiblePortal Wikipedia

Webster's Dictionary [1]

(1): ( imp. & p. p.) of Engage

(2): ( a.) Occupied; employed; busy.

(3): ( a.) Pledged; promised; especially, having the affections pledged; promised in marriage; affianced; betrothed.

(4): ( a.) Involved; esp., involved in a hostile encounter; as, the engaged ships continued the fight.

(5): ( a.) Greatly interested; of awakened zeal; earnest.

King James Dictionary [2]

Enga'Ged, pp. or a. Pledged promised enlisted gained and attached attracted and fixed embarked earnestly employed zealous.