Answer:

INON

Answer	Crossword Clue
INON	A party to
INON	Party to, as a plot
INON	Privy to

INON	Hip to, as a secret
INON	Informed about
INON	Part of, as a scheme
INON	Part of, as a plan
INON	Get ... the ground floor
INON	Wise to
INON	Sharing
INON	Not out of

INON	Fully versed concerning
INON	Participating
INON	A part of
INON	Aiding and abetting, say
INON	Aware of
INON	Knowledegable about
INON	Knowledgeable about
INON	Not excluded from

INON	Already alerted to
INON	Part of
INON	Hip to
INON	Barge trailer?
INON	An accomplice to, as a plot
INON	Horn or zoom follower
INON	Advised about
INON	Not left out of

INON	Not shut out of
INON	Involved with, as a plot
INON	Part of, as a surprise party plan
INON	Part of, as a plot
INON	Told about, as a secret
INON	Up to speed about
INON	Involved with
INON	Part of, as a conspiracy

INON	Barge ... (interrupt)
INON	Cognizant of
INON	Party to
INON	Barge or home trailers?
INON	Get ... a good thing