behind the scenes (?.)
- DR
- alive to
- appreciative of
- apprised of
- awake to
- aware of
- back to back
- backstage
- before an audience
- before the footlights
- behind
- behind the curtain
- behind the veil
- camouflaged
- causal
- causative
- cognizant of
- concealed
- conscious of
- constitutive
- covertly
- decisive
- determinative
- disguised
- down left
- down right
- downstage
- effectual
- etiological
- formative
- hep to
- hidden
- imperceptible
- in a corner
- in a whisper
- in back of
- in darkness
- in hidlings
- in secret
- in the background
- in the dark
- in the know
- in the limelight
- in the rear
- in the secret
- indiscernible
- informed of
- insensible
- institutive
- invisible
- latent
- let into
- mindful of
- no stranger to
- nobody the wiser
- occasional
- off stage
- on the stage
- on to
- onstage
- originative
- out of sight
- pivotal
- privy to
- secret
- secretly
- seized of
- sensible of
- sensible to
- sightless
- sotto voce
- streetwise
- sub rosa
- submerged
- tandem
- unapparent
- unbeheld
- unbeholdable
- undeceived
- under the breath
- under the rose
- undercover
- underground
- undiscernible
- unnoticed
- unobserved
- unperceivable
- unperceived
- unrealized
- unseeable
- unseen
- unviewed
- unwitnessed
- up left
- upright
- upstage
- viewless
- wise to
- with bated breath
