ban, forbiddance:
help,
allowance,
permission,
aid,
approval,
clearance.
noun:
enabling,
endorsement,
admittance,
assent,
thoroughfare,
passage,
acquiescence,
submission,
sanctioning,
road,
way,
approbation,
obedience,
prescription,
letting,
accession,
promotion,
agreement,
entrance,
compliance,
support,
imprimatur,
transit,
opening,
blessing,
encouragement,
tolerance,
facilitation,
approval,
toleration.