term:

Intelligent

intelligent adj

: having or indicating a high or satisfactory degree of intelligence and mental capacity
;esp
: having or indicating an understanding of the nature and consequences of an act or decision [a knowing and waiver of counsel] compare knowing NOTE: Under Miranda v. Arizona, 384 U.S. 436 (1966), a waiver of rights must be knowing and intelligent.
in·tel·li·gent·ly adv

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.