IPA: //pəˈzɪtɪvɪti//
KK: /pɑˈzɪtɪvɪti/
The state or quality of being optimistic and having a positive attitude.
Her positivity helped everyone feel better during tough times.
Positivity is formed from "positus" (meaning placed or positioned) and the suffix "-ity" (meaning the state or quality of). The word refers to the state of being placed in a positive or affirmative condition.
Think of being 'placed' ('positus') in a good state — that's what positivity means.
No commonly confused words.