The Collaborative International Dictionary of English v.0.48:

Aggrandize \Ag"gran*dize\, v. i.
   To increase or become great. [Obs.]
   [1913 Webster]

         Follies, continued till old age, do aggrandize. --J.
                                                  Hall.
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The Collaborative International Dictionary of English v.0.48:

Aggrandize \Ag"gran*dize\, v. t. [imp. & p. p. Aggrandized; p.
   pr. & vb. n. Aggrandizing.] [F. agrandir; [`a] (L. ad) +
   grandir to increase, L. grandire, fr. grandis great. See
   Grand, and cf. Finish.]
   1. To make great; to enlarge; to increase; as, to aggrandize
      our conceptions, authority, distress.
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   2. To make great or greater in power, rank, honor, or wealth;
      -- applied to persons, countries, etc.
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            His scheme for aggrandizing his son.  --Prescott.
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   3. To make appear great or greater; to exalt. --Lamb.
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   Syn: To augment; exalt; promote; advance.
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WordNet (r) 3.0 (2006):

aggrandize
    v 1: add details to [syn: embroider, pad, lard,
         embellish, aggrandize, aggrandise, blow up,
         dramatize, dramatise]

Moby Thesaurus II by Grady Ward, 1.0:

110 Moby Thesaurus words for "aggrandize":
   add to, advance, amplify, apotheose, apotheosize, augment,
   ballyhoo, beatify, beef up, bloat, blow up, boost, broaden, build,
   build up, bulk, bulk out, burlesque, canonize, caricature,
   carry too far, crescendo, crown, deify, develop, dignify, dilate,
   distend, distinguish, draw the longbow, elevate, enlarge, ennoble,
   enshrine, enthrone, erect, exaggerate, exalt, expand, extend,
   fatten, fill out, glamorize, glorify, go to extremes, graduate,
   heighten, hike, hike up, honor, huff, hyperbolize, immortalize,
   increase, inflate, jack up, jump up, kick upstairs, knight,
   lay it on, lengthen, lionize, magnify, make legendary,
   make much of, maximize, multiply, overcharge, overdo, overdraw,
   overestimate, overpraise, overreach, overreact, oversell,
   overspeak, overstate, overstress, parlay, pass, pile it on, prefer,
   promote, puff, puff up, pump, pump up, put up, pyramid, raise,
   rarefy, saint, sanctify, set up, stretch, stretch the truth,
   sublime, sufflate, swell, talk big, talk in superlatives, thicken,
   throne, tout, travesty, up, upgrade, uplift, uprear, widen