Bright
Part of speech: adjective
Definition: Visually dazzling; luminous, lucent, clear, radiant; not dark. Intelligent, brilliant. Vivid, colourful, brilliant. Happy.
Part of speech: noun
Definition: An artists brush used in oil and acrylic painting with a long ferrule and a flat, somewhat tapering bristle head. A neologism intended as a positive-sounding umbrella term to describe various kinds of non-religious and non-superstitious people. (There is a Wikipedia article on this usage.)
Example sentence: Intelligence may be taken as a necessary, but not sufficient, cause of moral advance. All morally advanced children are bright, but not all bright children are morally advanced.
Sunshiny
Part of speech: adjective
Definition: Sunny, full of sunshine.Bright, as though with sunshine; shining.Cheerful, happy.