(1):

(n.) Superintending care over a young person; the particular watch and care of a tutor or guardian over his pupil or ward; guardianship.

(2):

(n.) Especially, the act, art, or business of teaching; instruction; as, children are sent to school for tuition; his tuition was thorough.

(3):

(n.) The money paid for instruction; the price or payment for instruction.