Irenicon

n.calm, hopefulliterary

What it means

A proposal, statement, or writing intended to promote peace or reconciliation.

Reach for it when naming a formal peace-making intervention, especially in religious or scholarly disagreement

The essay was offered as an irenicon between the two schools of interpretation.

playful
olive branch
a conciliatory gesture suits familiar language
not when Olive branch is figurative and may be symbolic rather than substantive.
professional
mediation paper
a neutral document frames common ground and options
not when Mediation paper is procedural and not an established equivalent in every context.
professional
peace proposal
specific terms for ending conflict are presented
not when A peace proposal is more concrete and may involve political negotiation.
formal
accord
the parties have reached an agreement
not when An accord is the achieved result, while an irenicon is an attempt.
formal
reconciliation statement
a text seeks restored relations
not when A statement can express goodwill without offering a workable path.

offer an irenicon
The scholar chose to offer an irenicon instead of another rebuttal.
serve as an irenicon
The shared declaration may serve as an irenicon without settling doctrine.
written irenicon
A carefully written irenicon identified agreement before disputed terms.

Irenicon is rare and historically associated with religious controversy. Peace proposal or reconciliation statement is clearer in ordinary prose.

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.