Sooth a.; also adv. [Compar. Soother superl. Soothest.]
1. True; faithful; trustworthy. [Obs. or Scot.]
The sentence [meaning] of it sooth is, out of doubt. --Chaucer.
That shall I sooth (said he) to you declare. --Spensser.
2. Pleasing; delightful; sweet. [R.]
The soothest shepherd that ever piped on plains. --Milton.
With jellies soother than the creamy curd. --Keats.