"Most conciliative" refers to someone or something that is most likely to bring about peace or resolve a conflict. Synonyms for this phrase may include words such as "diplomatic," "peacemaking," "mediating," or "accommodating." Other synonyms may include terms such as "reconciliatory," "unifying," "harmonious," "moderate," or "conciliatory." When used to describe a person, synonyms for "most conciliative" may also include words like "tactful," "understanding," "patient," or "empathetic." Ultimately, any of these synonyms could be used in place of "most conciliative" to convey a similar sentiment and illustrate a willingness and ability to promote harmony and understanding.