We don't have synonyms for resolutioner yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are resolution, revolutioner and resolutions.
(n) :
One who makes a resolution; one who joins with others in a declaration or resolution.
(n) :
(historical) A member of a 17th-century party in the Church of Scotland who approved of the resolutions of the Commission of General Assembly (1650) allowing all persons, except those excommunicate and hostile to the Covenant, to take part in the struggle against Cromwell.
(n) :
One who makes a resolution; one who joins with others in a declaration or resolution.
(n) :
(historical) A member of a 17th-century party in the Church of Scotland who approved of the resolutions of the Commission of General Assembly (1650) allowing all persons, except those excommunicate and hostile to the Covenant, to take part in the struggle against Cromwell.