WordWeb Online

1. Pleasantly (even unrealistically) optimistic
   - cheerful, pollyannaish

1. A contented state of being happy and healthy and prosperous
   "the town was finally on the upbeat after our recent troubles"
   - wellbeing, well-being, welfare, eudaemonia, eudaimonia
    
2. An unaccented beat (especially the last beat of a measure)
   - offbeat

Derived forms: upbeats

See also: cheerfully, optimistic

Type of: beat, musical rhythm, prosperity, rhythm, successfulness

Encyclopedia: Upbeat