1. In a gregarious manner
   - gregariously 
2. In a sociable manner
   "sociably, the new neighbours invited everyone on the block for coffee"

See also: sociable

Antonym: unsociably

• nightcap
• nightclothes
• nightclub
• nightcrawler
• nightdress
• nighted
• nightfall
• nightgown
• nighthawk
• nightie
• nightingale
• nightjar
• nightlife
• nightlong
• nightly
• nightmare
• nightmarish
• nightrider
• nightshade
• nightshirt
• nightspot
• nightstand
• nightstick
• nighttime
• nightwalker