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/ˌɒstənˈteɪʃən/ · 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.
Let her awhile be secretly kept in, And publish it that she is dead indeed: Maintain a mourning ostentation;
Use ostentation when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Ostentation means Ambitious display; vain show; display intended to excite admiration or applause..
Common synonyms include parade, pageantry, show, showiness.
The opposite depends on the specific sense.
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.
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