Os′ten‐ta″tion (?), n. [L. ostentatio: cf. F. ostentation.] 1. The act of ostentating or of making an ambitious display; unnecessary show; pretentious parade; — usually in a detractive sense. “Much ostentation vain of fleshly arm.” Milton.
He knew that good and bountiful minds were sometimes inclined to ostentation. Atterbury.
2. A show or spectacle. Shak.
Syn. — Parade; pageantry; show; pomp; pompousness; vaunting; boasting. See Parade.