Sagacious(adjective)
Meaning: having or showing keen mental discernment and good judgement; wise
Hindi meaning:मेधावी, कुशाग्र बुद्धि
Synonyms: Astute, Shrewd, Acumen, Discerning, Perspicacious
Antonyms: Vacuous, Moronic, Imbecile, Idleheaded
Example: He is a sagacious businessman.
Trick to remember: Ye saga hai ek Sagacious person ki. 
