dissuāsĭo, ōnis, f. [dissuadeo],
an advising to the contrary; a dissuasion (very rare): rogationis ejus, * Cic. Clu. 51, 140; so opp. suasio, Auct. Her. 1, 2.—In plur., Sen. Ep. 94, 39.
dissuāsiō ōnis, f SVAD-, a remonstrance, dissuasion : rogationis eius. ...
An Elementary Latin Dictionary