Allusion

6 clues
Reference
Subtle reference
Casual reference
Passing reference
Literary reference
Indirect reference
Similar answers:
Abcletelevision
Abrasion
Abrasions
Abridgedversion
Academicsession
Accession
Acidvisionquest
Actofaggression
Adhesion
Adhesional
Adhesions
Adiscussion
Admission
Admissionaccomplished
Admissioncharge
Admissioncontrol
Admissionfreeit
Admissionimpossible
Admissionofquilt
Admissionpri