The Collaborative International Dictionary of English v.0.48:

Wifely \Wife"ly\, a. [AS. w[imac]flic.]
   Becoming or life; of or pertaining to a wife. "Wifely
   patience." --Chaucer.
   [1913 Webster]

         With all the tenderness of wifely love.  --Dryden.
   [1913 Webster]

WordNet (r) 3.0 (2006):

wifely
    adj 1: befitting or characteristic of a wife [syn: wifely,
           wifelike, uxorial] [ant: husbandly]