Answer:
Light
Explanation:
bright = <em>light</em> and colorful or very well or overly <em>lit</em>
<em>"It was very bright out today, the sun kept getting in my eyes."</em>
shiny = reflective of <em>light</em>
<em>"I found this shiny shell, the way it reflected the light was dazzling."</em>
airy = feels <em>light</em> and flowy
<em>"The dress felt airy around her legs. She twirled gently just to make sure it was real."</em>
