fastidious (part of speech: adjective)
Epicurean, picky, demanding, delicate, particular, careful, fussy, diligent, flawless, methodical, rigorous, precise, prudish, discriminating, finicky, exacting, punctilious, discerning, scrupulous, proper, persnickety, squeamish, dainty, critical, correct, priggish, mincing, conscientious, severe, fastidious, accurate, prim, hypercritical, meticulous, literal, qualmish, choosy
intelligent (part of speech: adjective)
comprehending, profound, intelligent, erudite, astute, knowing, gifted, encyclopedic, capable, canny, sophisticated, sharp, knowledgeable, worldly, bright, clever, genius, cogent, sagacious, wise, smart, brilliant, brainy, intellectual
- God alone knew the treasure I was reserving for the man noble enough, and trusting enough, and perspicacious enough to come- having faith in my letters, having penetrated step by step into the depths of my heart- to come to our first meeting with the simplicity of a child: for that was what I dreamed to be the innocence of a man of genius. - "Modeste Mignon", Honore de Balzac.
- Her subconsciousness had probably been more perspicacious, and it is from that Phinuit had probably drawn the detail; at least unless he has the power of seeing certain things through opaque bodies. - "Mrs. Piper & the Society for Psychical Research", Michael Sage.
- His father, that old fox of commerce, so shrewd, so perspicacious, ended by divining the secret thought of his son; consequently, all his manoeuvres were now based on the natural expectancy to which Christophe had yielded himself. - "Catherine de' Medici", Honore de Balzac.