solemnly
//ˈsɒləmli//
Adverb
solemnlyCanonical form
1
In a serious, grave, or earnest manner, often with a sense of formality or importance.
The judge solemnly read the verdict to the courtroom.
2
In a manner that involves or relates to a formal ceremony or ritual.
The judge solemnly read the verdict in the courtroom.
3
With sincere commitment or dedication, as when making a promise or vow.
She solemnly promised to keep the secret.