the act of advising, urging, or attempting to persuade; persuasion.
2.
an instance of this; a persuasive effort.
Origin: 1325–75; ME < L suāsiōn- (s. of suāsiō), equiv. to suās(us), ptp. of suādēre to advise (suād-, verb s. + -tus ptp. suffix, with dt > s) + -iōn--ion