Regalement, a noun that refers to entertainment or enjoyment, is a word that can be replaced with a variety of synonyms. One such synonym is luxury, which describes indulgence or extravagance. Other synonyms that have similar meanings to regalement include pleasure, delight, amusement, and enjoyment. The word merriment also comes to mind, describing gaiety and good humor. Additionally, pastime, diversion, and recreation serve as synonyms for regalement, implying a sense of relaxation and fun. Finally, the word treat denotes a special or enjoyable experience, making it a fitting synonym for regalement. All these synonyms offer different shades of meaning, but they all express the concept of being entertained or enjoying oneself.