From the prolonged form of ethelo; a determination (properly, the thing), i.e. (actively) choice (specially, purpose, decree; abstractly, volition) or (passively) inclination -- desire, pleasure, will.
KJV: Whether of them twain did the will of his father? They say unto him, The first. Jesus saith unto them, Verily I say unto you, That the publicans and the harlots go into the kingdom of God before you.
NASB: "Which of the two did the will of his father?" They said, "The first." Jesus said to them, "Truly I say to you that the tax collectors and prostitutes will get into the kingdom of God before you.