Definition of resolutioner in US English:

resolutioner

noun

  • 1Scottish History. Usually with capital initial. A supporter of the resolutions passed by the General Assembly of the Church of Scotland in 1650 and 1651 calling for the discontinuation of legal sanctions against some of those who had sought an accommodation with Charles I. Usually in plural.

  • 2Generally. A person who formulates or supports a resolution. rare.

  • 3A person who makes a (New Year's) resolution; = resolutionist.

Origin

Mid 17th century. From resolution + -er. Compare later resolutionist.