Merriam-Webster's Collegiate® Dictionary, 11th Edition
SUNSHINE
I. noun
Date: 13th century
1. the sun's light or direct rays, the warmth and light given by the sun's rays, a spot or surface on which the sun's light shines, something (as a person, condition, or influence) that radiates warmth, cheer, or happiness, sunshiny adjective
II. adjective
Date: 1972
forbidding or restricting closed meetings of legislative or executive bodies and sometimes providing for public access to records