In a manner worthy of applause; commendably or praiseworthily.
From applaudable plus the adverbial suffix -ly. This creates an adverb that modifies verbs and adjectives, describing actions or qualities in an applause-worthy way.
This is the adverbial form of applaudable, so when someone acts 'applaudably,' they're doing something so good that audiences would literally clap for them. It's a fancy way of saying someone handled a situation admirably or heroically.
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