Definition: The word "foster" can be used as a verb, an adjective, or a noun.
As a verb: Use "foster" when talking about encouraging growth or development.
As an adjective: Use "foster" to describe relationships or situations involving care and support without legal or blood ties.
Fostering (verb): The present participle form, used for ongoing actions.
Fostered (verb): The past tense form.
In summary, "foster" is a versatile word used to describe the act of nurturing or caring for someone or something, particularly in a non-traditional family setting, as well as to refer to the development of ideas and talents.