(of facts, evidence etc) convincing; removing all doubt

definite, final

that can be believed

believable

(not used of a person) bringing about the result required

influential; authoritative

(US = endwise) with the end towards the spectator

final; newest

important and decisive

significant

influencing the development of

influential, impressionable

coming after all others in order or time; to continue (for a period of time)

final; newest

that cannot be disagreed with

definite, final

genuine and acceptable because made or done with the correct formalities; that can be legally used; (of arguments, reasons etc) acceptable

right, genuine