i Register
In some senses, ostentation is marked as obsolete. Watch for register when choosing this word.
noun
Ambitious display; vain show; display intended to excite admiration or applause.
Sir Henry had consumed his substance in ostentation and riotous hospitality—had fed many at his board, made many merry in his halls, but not a friend was in his house of mourning; the very retainers who had grown rich upon his ruin, seemed to deem the burial of their master but a signal for carousing and license.
A show or spectacle.
Let her awhile be secretly kept in, And publish it that she is dead indeed: Maintain a mourning ostentation;