sanction β authoritative permission or approval, as for an action.
approve β If you approve of an action, event, or suggestion, you like it or are pleased about it.
ratify β to confirm by expressing consent, approval, or formal sanction: to ratify a constitutional amendment.
recommend β to present as worthy of confidence, acceptance, use, etc.; commend; mention favorably: to recommend an applicant for a job; to recommend a book.
countersign β If you countersign a document, you sign it after someone else has signed it.
authorise β to give authority or official power to; empower: to authorize an employee to sign purchase orders.
authorize β If someone in a position of authority authorizes something, they give their official permission for it to happen.
validate β to make valid; substantiate; confirm: Time validated our suspicions.
certify β If someone in an official position certifies something, they officially state that it is true.
support β to bear or hold up (a load, mass, structure, part, etc.); serve as a foundation for.
advocate β If you advocate a particular action or plan, you recommend it publicly.
affirm β If you affirm that something is true or that something exists, you state firmly and publicly that it is true or exists.
back β If you move back, you move in the opposite direction to the one in which you are facing or in which you were moving before.
commend β If you commend someone or something, you praise them formally.
confirm β If something confirms what you believe, suspect, or fear, it shows that it is definitely true.
defend β If you defend someone or something, you take action in order to protect them.
favor β something done or granted out of goodwill, rather than from justice or for remuneration; a kind act: to ask a favor.
favour β to regard with favor: to favor an enterprise.
okay β to put one's endorsement on or indicate one's approval of (a request, piece of copy, bank check, etc.); authorize; initial: Would you OK my application?
praise β the act of expressing approval or admiration; commendation; laudation.
uphold β to support or defend, as against opposition or criticism: He fought the duel to uphold his family's honor.
accredit β If an educational qualification or institution is accredited, it is officially declared to be of an approved standard.
attest β To attest something or attest to something means to say, show, or prove that it is true.
authenticate β If you authenticate something, you state officially that it is genuine after examining it.
bless β When someone such as a priest blesses people or things, he asks for God's favour and protection for them.
boost β If one thing boosts another, it causes it to increase, improve, or be more successful.
champion β A champion is someone who has won the first prize in a competition, contest, or fight.
countenance β If someone will not countenance something, they do not agree with it and will not allow it to happen.
guarantee β a promise or assurance, especially one in writing, that something is of specified quality, content, benefit, etc., or that it will perform satisfactorily for a given length of time: a money-back guarantee.
push β to press upon or against (a thing) with force in order to move it away.
second β next after the first; being the ordinal number for two.
sustain β to support, hold, or bear up from below; bear the weight of, as a structure.
underwrite β to write under or at the foot of, especially under other written matter.
warrant β authorization, sanction, or justification.
witness β to see, hear, or know by personal presence and perception: to witness an accident.
back up β If someone or something backs up a statement, they supply evidence to suggest that it is true.
go to bat for β Sports. the wooden club used in certain games, as baseball and cricket, to strike the ball. a racket, especially one used in badminton or table tennis. a whip used by a jockey. the act of using a club or racket in a game. the right or turn to use a club or racket.
go with β to move or proceed, especially to or from something: They're going by bus.
notarize β to certify (a document, contract, etc.) or cause to become certified through a notary public.
subscribe β to pledge, as by signing an agreement, to give or pay (a sum of money) as a contribution, gift, or investment: He subscribed $6,000 for the new church.