/ ɪˈspaʊz; NAmE / verb
[ vn ] ( formal ) to give your support to a belief, policy etc. :
They espoused the notion of equal opportunity for all in education.
► es·pousal / ɪˈspaʊzl; NAmE / noun [ U , sing. ] espousal of sth :
his recent espousal of populism
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WORD ORIGIN
late Middle English (in the sense take as a spouse ): from Old French espouser , from Latin sponsare , from sponsus betrothed, past participle of spondere .