liaise
verb
[ lɪˈeɪz ]
• cooperate on a matter of mutual concern.
• "she will liaise with teachers across the country"
Similar:
cooperate,
work together,
collaborate,
communicate,
intercommunicate,
exchange information,
network,
interface,
link up,
hook up,
Origin:
1920s (originally military slang): back-formation from liaison.