The Collaborative International Dictionary of English v.0.48:

Blueprint \Blue"print\
   See under Print.
   [1913 Webster]

WordNet (r) 3.0 (2006):

blueprint
    n 1: something intended as a guide for making something else; "a
         blueprint for a house"; "a pattern for a skirt" [syn:
         blueprint, design, pattern]
    2: photographic print of plans or technical drawings etc.
    v 1: make a blueprint of [syn: blueprint, draft, draught]

Moby Thesaurus II by Grady Ward, 1.0:

205 Moby Thesaurus words for "blueprint":
   Photostat, Xerox, Xerox copy, agenda, alphabet, approach, arrange,
   arrangement, art, attack, batting order, bill, bill of fare,
   blow up, blowup, blue, blueprinting, brouillon, budget,
   calculation, calendar, card, carte du jour, cartoon, cast, catalog,
   catalogue raisonne, charactering, characterization, chart,
   charting, choreography, cold-type proof, color proof,
   computer proof, conception, contact printing, contrivance,
   conventional representation, copy, cyanotype, dance notation,
   delineation, demonstration, depiction, depictment, design, develop,
   device, devise, diagram, disposition, docket, dope out, draft,
   drama, drawing, ebauche, elevation, enlarge, enlargement,
   enterprise, envisagement, esquisse, exemplification, figuration,
   figure, figuring, foresight, forethought, foundry proof, galley,
   galley proof, game, game plan, glossy, graph, graphing,
   ground plan, guidelines, hieroglyphic, hologram, house plan,
   ichnography, iconography, idea, ideogram, illustration, imagery,
   imaging, intention, lantern slide, lay off, lay out, layout,
   letter, limning, lineup, list of agenda, logogram, logograph,
   long-range plan, map, map out, mapping, mark off, mark out,
   master plan, matte, menu, method, methodology, microcopy,
   microprint, musical notation, notation, operations research,
   organization, outline, page proof, pattern, photocopy,
   photogravure, photostatic copy, pictogram, picturization, plan,
   planning, planning function, plate proof, playbill, plot, plot out,
   portraiture, portrayal, positive, prearrangement, prefigurement,
   presentment, press proof, print, printing, procedure, process,
   profile, program, program of action, program of operation,
   programma, progressive proof, project, projection,
   projection printing, proof, proof sheet, prospectus, protocol,
   pull, rationalization, realization, rendering, rendition,
   representation, repro proof, revise, roster, rough, schedule,
   schema, schematism, schematization, scheme, scheme of arrangement,
   score, script, semi-matte, set out, setup, skeleton, sketch,
   sketch out, slate, slide, slip, stone proof, strategic plan,
   strategy, syllabary, symbol, system, systematization, tablature,
   table, table of contents, tactical plan, tactics, the big picture,
   the picture, transparency, trial impression, vandyke, way,
   working drawing, working plan, writing