This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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v. To bring up; nurture: bear and foster offspring. See Synonyms at nurture.

v. To promote the growth and development of; cultivate: detect and foster artistic talent. See Synonyms at advance.

v. To nurse; cherish: foster a secret hope.

adj. Providing parental care and nurture to children not related through legal or blood ties: foster parents; foster grandparents; a foster home.

adj. Receiving parental care and nurture from those not related to one through legal or blood ties: foster children.

adj. Providing parental care to unrelated children.

adj. receiving such care

adj. Related by such care

n. A forester

n. The care given to another; guardianship

v. To nurture or bring up offspring; or to provide similar parental care to an unrelated child.

v. To cultivate and grow something.

v. To nurse or cherish something.

v. To feed; to nourish; to support; to bring up.

v. To cherish; to promote the growth of; to encourage; to sustain and promote.

verb-intransitive. To be nourished or trained up together.

adj. Relating to nourishment; affording, receiving, or sharing nourishment 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.

n. A forester.

To feed; nourish; support; bring up.

To sustain by aid, care, or encouragement; give support to; cherish; promote: as, to foster the growth of tender plants; to foster an enterprise; to foster pride or genius.

Synonyms Harbor, etc. (see cherish); to indulge, favor, forward, advance, further, help on.

To be nourished or trained up together.

n. A contracted form of forster, forester.

v. promote the growth of

v. bring up under fosterage; of children

n. United States songwriter whose songs embody the sentiment of the South before the American Civil War (1826-1864)

v. help develop, help grow

adj. providing or receiving nurture or parental care though not related by blood or legal ties

adoptive    foster child    foster sister   

extinguish   

fostered    fostering    fosters   

further    encourage    promote    boost    advance    raise    bring up    rear    nurture    parent   

foster-child    fosterer    fosterable    foster child    fosterage   

cherish    encourage    forester    aid    promote    nurture    nurse    foment    cosset    nuzzle   

Gloster    gloster    roster    zoster   

adoptive    grand    sorrowing    erring    unwed    much-loved    10-year-old    long-lost    4-year-old    custodial