All 6 Uses

solemn
in
Breaking Dawn, by Meyer
(Auto-generated)

I nodded solemnly, keeping my eyes on his.†
Book 1 *

solemnly = with seriousness and dignity
"We could go back," he said solemnly, but there was a teasing light in his eye.†
Book 3
"Renesmee, someone special is coming to see you and your mother," he said in a solemn voice, as if he expected her to understand every word.†
Book 3

solemn = very serious--possibly dignified
"We will fight, too," Tia said, her usually grave voice more solemn than ever.†
Book 3
Zafrina nodded solemnly.†
Book 3

solemnly = with seriousness and dignity
Aro nodded, his expression solemn.†
Book 3

solemn = very serious--possibly dignified

Definitions:

(1) (solemn)
in a very serious (and often dignified) manner
(2) (meaning too rare to warrant focus)
Less commonly, solemn can mean that something was done with great or appropriate ceremony. It can also be used to describe something as dark or undecorated.