A cheer for performers entertaining father, who's uplifted by their boldness (7)

I believe the answer is:

bravado

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'boldness' is the definition.
(I've seen this before)

I don't understand how the rest of the clue works.

(Other definitions for bravado that I've seen before include "Show of boldness to impress" , "great self-confidence" , "boasting" , "Swaggering show of boldness" , "Display of confidence or daring, often boastful and insincere" .)

I've seen this clue in The Irish Times.

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