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]

Moby Thesaurus II by Grady Ward, 1.0:

33 Moby Thesaurus words for "wifely":
   adoring, affectionate, bridal, conjugal, connubial, demonstrative,
   devoted, epithalamic, faithful, filial, fond, husbandly, hymeneal,
   languishing, lovelorn, lovesick, lovesome, loving, marital,
   married, maternal, matrimonial, melting, nuptial, parental,
   paternal, romantic, sentimental, soft, spousal, tender, uxorious,
   wedded