perspicacious

perspicacious /ˌpɚspəˈkeɪʃəs/ adjective
perspicacious
/ˌpɚspəˈkeɪʃəs/
adjective
Britannica Dictionary definition of PERSPICACIOUS
[more perspicacious; most perspicacious] formal
: having or showing an ability to notice and understand things that are difficult or not obvious

— perspicaciously

adverb

— perspicacity

/ˌpɚspəˈkæsəti/ noun [noncount]