Mood

Mood denotes:

Mood (psychology) , persistent pleasant or uncomfortable mood
Willingness to act , in behavioral biology the sum of internal factors that trigger behavior
Mood (music) , different meanings in music
Mood (art) , emotion expressed in a work of art
Atmosphere (aesthetics) , the mood emanating from an environment

See also:

Wiktionary: mood - explanations of meanings, word origins, synonyms, translations

Wikiquote: Mood - Quotes