Adjective: Gregarious (grih-GAIR-ee-us)
1. Tending to associatte with others of one kind; also, marked by or indicating liking for companionship.
2. Growing in a cluster or colony; also, living in contiguous nests but not forming a true colony – used especially of wasps and bees.
Sample sentence: My traveling companion is a gregarious soul who makes friends easily, so we never want for company at dinner time.