"sagacious" in the adjective sense
1. perspicacious, sagacious, sapient
acutely insightful and wise
"much too perspicacious to be taken in by such a spurious argument"
"observant and thoughtful, he was given to asking sagacious questions"
"a source of valuable insights and sapient advice to educators"
2. sagacious
skillful in statecraft or management
"an astute and sagacious statesman"
Source: WordNet® (An amazing lexical database of English)
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