In AV 'ability' is either material (Le 27:8; Ezr 2:69; Ac 11:29) or personal (Da 1:4; Mt 25:15) capacity. The mod. meaning ('mental power') is not found in AV.
And if he be poorer than thy valuation, he shall present himself before the priest, and the priest shall value him: according to his means that vowed shall the priest value him.
They gave after their ability to the treasure of the work sixty-one thousand darics of gold, and five thousand pounds of silver, and one hundred priests' coats.
youths in whom was no blemish, and of goodly countenance, and skilful in all wisdom, and acquainted with knowledge, and understanding science, and such as had ability in them to stand in the king's palace, and whom they might teach the learning and the language of the Chaldeans.
And to one he gave five talents, to another two, and to another one; to each according to his particular ability, and immediately went away out of the country.