- 2Betekenis: legalizelegalise codify notarise notarize sanctionwarrant authorise authorize certify validate
- 3Betekenis: proveauthenticate confirm validate ratifyverify corroborate attest substantiate
- 4Betekenis: substantiateback up bolster confirm authenticatecorroborate validate verify strengthen
- 5Betekenis: authoriseauthorize sanction validate countenance confirmcertify pass endorse approve