a-bil'-i-ti (dunamis, or ischus): Variously used of resources, material, mental and spiritual; e.g. of wealth, "gave after their ability" (Ezr 2:69); of mental endowment, "ability to stand in the king's palace" (Da 1:4); of talents and character, "several ability" (Mt 25:15); of spiritual strength, "minister, as of the ability which God giveth" (the King James Version 1Pe 4:11). It thus may signify either possessions, native capacity, or gifts of the Holy Spirit.
The International Standard Bible Encyclopedia
Ability
The International Standard Bible Encyclopedia, James Orr (1915). Public domain, from the CrossWire SWORD module.