1. (v.t.)foster to promote the growth or development of: to foster new ideas.
2. foster to bring up; rear: to foster a child.
3. (adj.)foster giving or receiving parental care though not kin by blood or related legally: a foster parent.
4. (n.)Foster Stephen (Collins), 1826–64, U.S. songwriter.
Definition of 'Foster'
Princeton's WordNet
1. (adj)Foster, Stephen Foster, Stephen Collins Foster United States songwriter whose songs embody the sentiment of the South before the American Civil War (1826-1864)
2. (verb)foster, surrogate providing or receiving nurture or parental care though not related by blood or legal ties "foster parent"; "foster child"; "foster home"; "surrogate father"
3. (verb)foster, further promote the growth of "Foster our children's well-being and education"
4. (verb)foster bring up under fosterage; of children
5. (verb)foster, nurture help develop, help grow "nurture his talents"
3. (verb)Foster to feed; to nourish; to support; to bring up
4. (verb)Foster to cherish; to promote the growth of; to encourage; to sustain and promote; as, to fostergenius
5. (verb)Foster to be nourished or trained up together
6. (verb)Foster relating to nourishment; affording, receiving, or sharingnourishment or nurture; -- applied to father, mother, child, brother, etc., to indicate that the person so called stands in the relation of parent, child, brother, etc., as regards sustenance and nurture, but not by tie of blood