Bright (adjective)

ˈwəːkəb(ə)l/

able to be worked, fashioned, or manipulated.

capable of producing the desired effect or result; practicable; feasible.
"a workable peace settlement"​

Intelligent (adjective)

I W B Solutions

​ɪnˈtɛlɪdʒ(ə)nt/

having or showing intelligence, especially of a high level.

rational

(of a device or building) able to vary its state or action in response to varying situations and past experience

​Workable (adjective)

brʌɪt/

giving out or reflecting much light; shining

(of colour) vivid and bold

intelligent and quick-witted