Synonyms and related words :
ample scope, authority, blank check, clearance, copyright, discretion, dispensation, elbowroom, favor, field, franchise, free course, free hand, free play, free scope, freedom, full authority, full power, full scope, full swing, grant, immunity, indulgence, latitude, leeway, liberty, license, long rope, maneuvering space, margin, no holds barred, open mandate, open space, patent, permission, play, power, power of attorney, prerogative, privilege, range, right, room, rope, sanction, say, say-so, scope, sea room, space, special favor, swing, tolerance, warrant, way, wide berth