What does aggrandize mean?
The definition of aggrandize
Ag”gran*dize, v. t.
[imp. & p. p. Aggrandized; p. pr. & vb. n.Aggrandizing.]
Etym: [F. agrandir; à (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.
2 To make great or greater in power, rank, honor, or wealth; — applied to persons, countries, etc. His scheme for aggrandizing his son. Prescott.
3 To make appear great or greater; to exalt. Lamb.

Synonyms
— To augment; exalt; promote; advance.

Ag”gran*dize, v. i.
To increase or become great. [Obs.] Follies, continued till old age, do aggrandize. J. Hall.