Verified Answer :

bobeld
Aatmosphere

The mood at the funeral was somber
The atmosphere at the funeral was somber.

A synonym for the word mood is atmosphere.

Synonym = the same, so we have to find a word that is similar to the definition of 'mood'.

Atmosphere - spreading tone or mood 
Tone - musical or vocal sound
Style - a method of doing something or appearance
Prose - spoken or written language