make an honest woman (out) of
US /meɪk ən ˈɑnɪst ˈwʊmən aʊt əv/
UK /meɪk ən ˈɑnɪst ˈwʊmən aʊt əv/

1.
casarse con, hacerla una mujer honesta
to marry a woman after having had a sexual relationship with her, especially if she is pregnant or if they have been living together for a long time without being married
:
•
After living together for years, he finally decided to make an honest woman out of her.
Después de vivir juntos durante años, finalmente decidió casarse con ella.
•
He felt it was his duty to make an honest woman of her after she became pregnant.
Sintió que era su deber casarse con ella después de que ella quedara embarazada.