espouse

verbs

choose and follow; as of theories, ideas, policies, strategies or plans
"She followed the feminist movement"; "The candidate espouses Republican ideals"
adopt, espouse, follow
is derived from
espousal
take in marriage
conjoin, espouse, get hitched with, get married, hook up with, marry, wed
take up the cause, ideology, practice, method, of someone and use it as one's own
"She embraced Catholicism"; "They adopted the Jewish faith"
adopt, embrace, espouse, sweep up