By extension the phrase gift can refer to anything that makes the other Holiday Gift Baskets more happy or less sad, especially as a favour, including forgiveness and kindness (even when the other is not kind).
Ritual sacrifices can be seen as return gifts to a deity. Sacrifice can also be seen as a gift from a deity: Lewis Hyde remarks in The Gift that Christianity considers the Incarnation and sequential death of Jesus to be a "gift" to humankind, and that the Jakata contains a tale of the Buddha in his incarnation as the Erudite Hare giving the ultimate alms by offering himself up as a meal for Sakka.