NOUN (2)

1. the quality of being quaint and old-fashioned;
- Example: "she liked the old cottage its quaintness was appealing";

2. strangeness as a consequence of being old fashioned;
- Example: "some words in her dialect had a charming quaintness"

The Collaborative International Dictionary of English v.0.48:

Quaintness \Quaint"ness\, n.
   The quality of being quaint. --Pope.
   [1913 Webster]

WordNet (r) 3.0 (2006):

quaintness
    n 1: the quality of being quaint and old-fashioned; "she liked
         the old cottage; its quaintness was appealing"
    2: strangeness as a consequence of being old fashioned; "some
       words in her dialect had a charming quaintness"