knowledgeable (adj.)

• all-knowing
• apperceptive
• apprehensive
• authoritative
• aware
• brainy
• bright
• brilliant
• clever
• cognizant
• comprehending
• confined
• conscious
• cultured
• discerning
• enlightened
• erudite
• expert
• familiar
• featured
• gnostic
• insightful
• intelligent
• knowing
• learned
• limited
• mindful
• omniscient
• perceptive
• percipient
• perspicacious
• prehensile
• quick-witted
• ready
• restricted
• sagacious
• sage
• sensible
• sharp
• shrewd
• smart
• sophic
• sophisticated
• specialistic
• specialized
• technical
• understanding
• well-educated
• well-informed
• well-read
• wise
• worldly