Noah Webster
Serene
SERE'NE, adjective [Latin serenus; Heb. Ch. Syr. Ar. to shine. Class Sr. No. 2. 23.47.]
1. Clear or fair, and calm; as a serene sky; serene air; Serene imports great purity.
2. Bright.
The moon, serene in glory, mounts the sky. Pope.
3. Caln; unruffled; undisturbed; as a serene aspect; a serene soul.
4. A title given to several princes and magistrates in Europe; as serene highness; most serene.
SERE'NE, noun A cold damp evening. [Not in use.]
SERE'NE, verb transitive
1. To make clear and calm; to quiet.
2. To clear; to brighten.