permission

noun 0.697

permit

noun 0.640

permitting

noun 0.591

free pass

noun 0.585

work permit

noun 0.574

laissez-passer

noun 0.562

blue slip

noun 0.559

licence

noun 0.557

excuse

noun 0.551

consent

noun 0.548

license

noun 0.544

by your leave

noun 0.537

authorization

noun 0.533

approval

noun 0.523

exeat

noun 0.523

permissiveness

noun 0.521

waiver

noun 0.516

wayleave

noun 0.512

pardon

noun 0.508

slip

noun 0.507

ne exeat

noun 0.507

imprimatur

noun 0.506

pink slip

noun 0.503

concession

noun 0.502