The word "most affectional" describes a deep emotional connection or attachment to someone or something. There are several synonyms for this word that can be used to convey the same meaning. Some of these synonyms include "fond", "caring", "loving", "devoted", "affectionate", and "attached". All these words denote a strong feeling of love or fondness towards someone or something and can be used interchangeably depending on the context. It's important to choose the right synonym based on the tone and tenor of the sentence to convey the desired emotion and meaning accurately.