foster
Providing parental care to children not related to oneself.
Receiving such care.
Related by such care.
(informal) A foster parent.
The care given to another; guardianship.
To nurture or bring up offspring, or to provide similar parental care to an unrelated child.
To promote the development of something; to cultivate and grow a thing.
To nurse or cherish something.
(obsolete) To be nurtured or trained up together.
(obsolete) A forester.