communicative (adj.)
- accessible
- advisory
- affable
- amiable
- approachable
- candid
- chatty
- civil
- clubbable
- clubbish
- clubby
- colloquial
- communicable
- companionable
- companionate
- compatible
- congenial
- conversational
- courteous
- cozy
- demonstrative
- educational
- educative
- effusive
- enlightening
- expansive
- extroverted
- flip
- fluent
- frank
- free
- free-spoken
- friendly
- gabby
- garrulous
- gassy
- genial
- glib
- gossipy
- gregarious
- gushing
- gushy
- hospitable
- informational
- informative
- instructive
- interlocutory
- long-winded
- loquacious
- monitory
- newsy
- open
- outgoing
- outspoken
- prolix
- smooth
- sociable
- social
- talkative
- talky
- unconstrained
- unhampered
- unrepressed
- unreserved
- unrestrained
- unrestricted
- unshrinking
- unsuppressed
- urbane
- verbose
- voluble
- windy