confirmation (n.)
- acceptance
- affirmation
- agape
- approbation
- approval
- aspersion
- assurance
- attestation
- authentication
- authorization
- backing
- baptism
- buttressing
- celebration
- certification
- check
- circumcision
- collation
- confession
- corroboration
- countersignature
- determination
- documentation
- endorsement
- entrenchment
- establishment
- evidence
- fixation
- fixedness
- fixity
- fixture
- fortification
- go-ahead
- implantation
- imprimatur
- incense
- invocation
- litany
- lustration
- matrimony
- nod
- okay
- pax
- penance
- permission
- processional
- proof
- proving
- ratification
- reassurance
- reinforcement
- sanction
- seal
- signature
- signet
- stabilization
- stamp
- strengthening
- subscription
- substantiation
- support
- testament
- testimonial
- validation
- verification
- visa
- vise
- warrant
- witness