adjective
jovial
JOH-vee-ul/ˈdʒəʊviəl/
Cheerful, friendly, and good-humored.
Our jovial host greets everyone with a smile and a joke.

Etymology
Jovial originally meant “pertaining to Jupiter.” Its cheerful sense comes from the astrological belief that people born under Jupiter’s influence were good-humored and merry.
In context
This is not a debate, it's just a jovial and friendly conversation.
More examples
- Her jovial laugh puts the nervous guests at ease.
- Despite the rain, the hikers remain jovial.
- The conversation grows more jovial as old friends share stories.
Forms
jovial · more jovial · most jovial
joviality noun — The quality of being cheerful and good-humored.
jovially adverb — In a cheerful, friendly, good-humored manner.