good wife
Refers to a wife regarded as good, capable, devoted, or admirable. The word can sound somewhat traditional because it evaluates a woman in the social role of wife, especially in set expressions such as 良妻賢母.
His friends told him he was lucky to have a good wife.
In the past, there was a strong expectation that women should be good wives.
She is a good wife that everyone recognizes as such.
Since getting married, she has played the role of a good wife.