wean

To accustom (the young of a mammal) to take nourishment other than by suckling.

To detach from that to which one is strongly habituated or devoted.

To accustom to something from an early age. Often used with on.

To accustom (a child or young animal) to nourishment or food other than its mother's milk; disaccustom to the mother's breast.

To detach or alienate, as the affections, from any object of desire; reconcile to the want or loss of something; disengage from any habit, former pursuit, or enjoyment.