n. 25B6; noun
a stickler for protocol : ETIQUETTE, conventions, formalities, customs, rules of conduct, procedure, ritual, accepted behaviour, propriety, proprieties, one's Ps and Qs, decorum, good form, the done thing, the thing to do, punctilio.
the two countries signed a protocol : AGREEMENT, treaty, entente, concordat, convention, deal, pact, contract, compact; formal concord.