authorize, authorise, clear, pass - grant authorization or clearance for; "Clear the manuscript for publication"; "The rock star never authorized this slanderous biography"
ratify, sign - approve and express assent, responsibility, or obligation; "All parties ratified the peace treaty"; "Have you signed your contract yet?"
cosign, co-sign - sign jointly; "Husband and wife co-signed the lease"
probate - establish the legal validity of (wills and other documents)
2) Formalise your business structure I am sure many of you have been faced by a solicitor, who looks on in horror, as you explain the informal business arrangement with family.
While in the country Councillor Whitby will formalise links with China's second city Nanjing, by signing a Memorandum of Understanding, and meet representatives of the Nanjing Automobile Corporation.
formalise - declare or make legally valid