stimmungsvoll
atmospheric
Creating or having a pleasant, special atmosphere.
Die Kerzen und die leise Musik sorgten für eine stimmungsvolle Beleuchtung beim Abendessen.
The candles and the soft music created atmospheric lighting during dinner.

atmospheric
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atmospheric
Creating or having a pleasant, special atmosphere.
Die Kerzen und die leise Musik sorgten für eine stimmungsvolle Beleuchtung beim Abendessen.
The candles and the soft music created atmospheric lighting during dinner.

The word is made up of 'Stimmung' (mood/atmosphere) and '-voll' (-ful). So it literally means 'full of mood' or 'full of atmosphere.'
Der Weihnachtsmarkt war sehr stimmungsvoll.
The Christmas market was very atmospheric.
'Stimmungsvoll' (atmospheric) often describes places, events, or elements that create an atmosphere. Typical combinations are 'ein stimmungsvoller Abend' (an atmospheric evening), 'eine stimmungsvolle Atmosphäre' (an atmospheric atmosphere), or 'stimmungsvolle Musik' (atmospheric music).
Wir hatten ein stimmungsvolles Abendessen bei Kerzenschein.
We had an atmospheric candlelit dinner.
'Stimmungsvoll' (atmospheric) can directly describe a noun or be used as an adverb to characterize an action. It then answers the question 'Wie?' (How?).
Das ist ein sehr stimmungsvoller Ort.
This is a very atmospheric place.
cozy / relaxed
'gemütlich' and 'stimmungsvoll' both have to do with a pleasant atmosphere. 'gemütlich' fits when something feels calm, warm, and comfortable, and you feel at ease. 'stimmungsvoll' emphasizes a special effect more, for example through light, music, decoration, or a beautiful place. The words can be confused because both are positive. 'gemütlich' is more everyday and closely connected to feeling comfortable; 'stimmungsvoll' sounds a little more festive or special.

Am Abend war der Marktplatz mit den vielen Lichtern sehr stimmungsvoll.
In the evening, the market square was very atmospheric with all the lights.
Das Team saß nach der Veranstaltung noch gemütlich zusammen.
After the event, the team sat together in a relaxed, cozy way for a while longer.