Easiness is a term that refers to the state of being comfortable, relaxed, and free from tension. It can be used to describe a situation or a feeling when things appear to be effortless. However, there are various synonyms for the word easiness that can be used interchangeably. Words like simplicity, comfortability, relaxation, and effortlessness can be used to convey the same message or intent as easiness. Other synonyms include casualness, calmness, tranquility, and nonchalance. These terms are commonly used in daily conversations or formal writings to describe a situation, a task, or a feeling that is easy to handle or accomplish.