astute
Translation
astute, shrewd, clever
Examples
She made an astute business decision.
She made an astute business decision.
He is an astute observer of politics.
He is an astute observer of politics.
Grammar Patterns
an astute ((noun)) He is an astute businessman.
((sb.)) is astute The lawyer was very astute.
Similar Words
Synonyms: shrewd, sharp, clever; Antonyms: foolish, naive
Etymology
From Latin 'astutus' (crafty, sly), which comes from 'astus' (craft, cunning).
Memory Tips
It sounds a bit like 'a student'. Picture a student who is sharp and quick to understand things.