quaintly

from WordNet (r) 3.0 (2006)

quaintly
    adv 1: in a strange but not unpleasant manner; "the old lady
           expressed herself somewhat quaintly"
    2: in a quaint old-fashioned manner; "the room was quaintly
       furnished"

from The Collaborative International Dictionary of English v.0.48

Quaintly \Quaint"ly\, adv.
   In a quaint manner. --Shak.
   [1913 Webster]