The Collaborative International Dictionary of English v.0.48:

Fuse \Fuse\ (f[=u]z), v. t. [imp. & p. p. Fused (f[=u]zd); p.
   pr. & vb. n. Fusing.] [L. fusus, p. p. of fundere to pour,
   melt, cast. See Foundo to cast, and cf. Futile.]
   1. To liquefy by heat; to render fluid; to dissolve; to melt.
      [1913 Webster]

   2. To unite or blend, as if melted together.
      [1913 Webster]

            Whose fancy fuses old and new.        --Tennyson.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

fused \fused\ adj.
   joined together into a whole.

   Syn: amalgamate, amalgamated, coalesced, consolidated.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

fused
    adj 1: joined together into a whole; "United Industries"; "the
           amalgamated colleges constituted a university"; "a
           consolidated school" [syn: amalgamate, amalgamated,
           coalesced, consolidated, fused]

Moby Thesaurus II by Grady Ward, 1.0:

28 Moby Thesaurus words for "fused":
   amalgamated, assimilated, blended, combinative, combinatory,
   combined, conjoint, conjugate, conjunctive, connective,
   consolidated, eclectic, fusible, incorporated, integrated, joined,
   joint, meltable, melted, merged, mixed, molten, one, syncretistic,
   syncretized, synthesized, thermoplastic, united