/ əˈstjuːt; NAmE əˈstuːt/ adjective
very clever and quick at seeing what to do in a particular situation, especially how to get an advantage
SYN shrewd :
an astute businessman / politician / observer
It was an astute move to sell the shares then.
► as·tute·ly adverb
► as·tute·ness noun [ U ]
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WORD ORIGIN
early 17th cent.: from obsolete French astut or Latin astutus , from astus craft.