acquiescence
acceptance
acknowledgment
admission
agreement
allowance
approbation
approval
assent
authorization
avowal
canonization
carte blanche
concept
concession
concurrence
condonance
condonation
decline
deny
disallow
dispensation
empowerment
endorsement
freedom
grant
imprimatur
indulgence
leave
letting
liberty
license
miscellaneous
okay
permission
permit
privilege
promise
recognition
rectangular
red
refuse
reject
resist
rubber
rubber stamp
sanctification
sanction
sign
stamp
stamp of approval
sufferance
symbol
tolerance
toleration
verification
warrant