We don't have synonyms for eirenicons yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are eirenicon, irenicons and irenicon.
(n) :
A proposal to resolve disputes and reconcile differences in order to advance peace, strengthen or establish unity, or foster solidarity, usually in a modus vivendi.
(n) :
A proposal to resolve disputes and reconcile differences in order to advance peace, strengthen or establish unity, or foster solidarity, usually in a modus vivendi.