Bright

dyktig

(having a clear, quick intellect — see also intelligent)

intelligent

(having a clear, quick intellect — see also intelligent)

klok

(having a clear, quick intellect — see also intelligent)

knall

(emitting much light; visually dazzling — see also luminous, radiant)

knall

(of a colour: not muted or pale — see also bold, vivid)

oppvakt

(having a clear, quick intellect — see also intelligent)