Verbs

(v)foster, further, cultivatepromote the growth of“Foster our children's well-being and education”
(v)fosterbring up under fosterage; of children
(v)foster, nurturehelp develop, help grow“nurture his talents”

Adjectives

(s)foster, surrogateproviding or receiving nurture or parental care though not related by blood or legal ties“foster parent”, “foster child”, “foster home”, “surrogate father”