The Collaborative International Dictionary of English v.0.48:

Stationery \Sta"tion*er*y\ (-[e^]r*[y^]), n.
   The articles usually sold by stationers, as paper, pens, ink,
   quills, blank books, etc.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Stationery \Sta"tion*er*y\, a.
   Belonging to, or sold by, a stationer.
   [1913 Webster]

WordNet (r) 3.0 (2006):

stationery
    n 1: paper cut to an appropriate size for writing letters;
         usually with matching envelopes [syn: stationery, letter
         paper]

Moby Thesaurus II by Grady Ward, 1.0:

23 Moby Thesaurus words for "stationery":
   bond paper, carbon paper, cardboard, flimsy, foolscap, leaf,
   letter paper, note paper, pad, page, paper, papyrus, parchment,
   quire, ream, rice paper, scratch pad, scroll, sheet, stencil,
   tracing paper, vellum, writing paper