Definition of "Adopt" :

verb: take into one's family

"They adopted two children from Nicaragua."

verb: take on a certain form, attribute, or aspect

"He adopted an air of superiority."

verb: take up the cause, ideology, practice, method, of someone and use it as one's own

"They adopted the Jewish faith."

verb: put into dramatic form

"Adopt a book for a screenplay."

verb: take up and practice as one's own

verb: choose and follow; as of theories, ideas, policies, strategies or plans

verb: take on titles, offices, duties, responsibilities