Unselfish

I found him to be intelligent, cheerful of spirit, unselfish, full of generous impulses, patient, considerate, and wonderfully good-natured.

You're so unselfish.

These unselfish trees share nutrients through a vast network of roots.

It is easy to become a Theosophist. Any person of average intellectual capacities, and a leaning toward the metaphysical; of pure, unselfish life, who finds more joy in helping his neighbor than in receiving help himself; one who is ever ready to sacrifice his own pleasures for the sake of other people; and who loves Truth, Goodness, and Wisdom for their own sake, not for the benefit they may confer—is a Theosophist.

The man was in an unselfish mood that day, so decided to give a £20 note to the next charity he came across.

There was certainly no harm in his travelling sixteen miles twice over on such an errand; but there was an air of foppery and nonsense in it which she could not approve. It did not accord with the rationality of plan, the moderation in expense, or even the unselfish warmth of heart, which she had believed herself to discern in him yesterday.