Source : Webster's Revised Unabridged Dictionary (1913)

Centralize \Cen"tral*ize\, v. t. [imp. & p. p. {Centralized}; p.
   pr. & vb. n. {Centralizing}.] [Cf. F. centraliser.]
   To draw or bring to a center point; to gather into or about a
   center; to bring into one system, or under one control.

         [To] centralize the power of government. --Bancroft.

Source : WordNet®

centralized
     adj 1: drawn toward a center or brought under the control of a
            central authority; "centralized control of emergency
            relief efforts"; "centralized government" [syn: {centralised}]
            [ant: {decentralized}]
     2: concentrated on or clustered around a central point or
        purpose [syn: {centered}, {centred}, {centralised}, {focused}]