DISSUADE, verb transitive [Latin , to advise or incite to any thing.]

1. To advise or exhort against; to attempt to draw or divert from a measure, by reason or offering motives to; as, the minister dissuaded the prince from adopting the measure; he dissuaded him from his purpose.

2. To represent as unfit, improper or dangerous.

War therefore, open or concealed, alike my voice dissuades.

This phraseology is probably elliptical, and merely poetical; from being understood.