All nations, &c.— This, if applied to Hezekiah, may signify all the neighbouring nations. See 2 Chronicles 32:23. But it may also be considered as a prediction of the calling of the Gentiles under the Messiah. See Romans 15:9.
Related Commentaries of Psalms 86:9
Psalms 86:9
9 All nations whom thou hast made shall come and worship before thee, O Lord; and shall glorify thy name.