espouse
Concise Oxford English Dictionary © 2008 Oxford University Press:
espouse /ɪˈspaʊz, ɛ-/
▶verb
- 1 adopt or support (a cause, belief, or way of life).
- 2 archaic marry.
■ (be espoused to) be engaged to.
– derivatives
espouser noun.
espouser noun.
– origin ME: from OFr. espouser, from L. sponsare, from sponsus ‘betrothed’, past part. of spondere.
'espouse' also found in these Oxford entries:

