leeway
noun
this has left the police with some leeway to interpret the law for themselves:
freedom, scope, room to maneuver, latitude, elbow room, slack, space, room, liberty, room to spare, room to operate, scope for initiative, freedom of action, freedom from restriction, a free hand, flexibility, independence, license, self-determination, free rein, free play, unrestrictedness, indulgence, margin, play, give, laxity, leisure;
informal wriggle room, wiggle room;
French carte blanche.
▷antonyms constraint, restriction.