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tr.v. ag·gran·dized, ag·gran·diz·ing, ag·gran·diz·es
a. To increase the scope of; extend: aggrandized the authority of his position.
b. To make greater in power, influence, stature, or reputation: "The executive branch had aggrandized itself during the war at the expense of the legislative branch" (David Herbert Donald).
2. To consider to be or cause to appear greater than is really the case; exaggerate: aggrandized his contributions to the project.
[French agrandir, agrandiss-, from Old French : a-, to (from Latin ad-; see ad-) + grandir, to grow larger (from Latin grandīre, from grandis, large).]
ag·gran′dize·ment (ə-grăn′dĭz-mənt, -dīz′-) n.