When seeking synonyms for the word "plushly," consider words that denote luxuriousness, opulence, and excess. Words like lavishly, extravagantly, and sumptuously convey a sense of indulgence and abundance. Alternatively, words like richly, lusciously, and elegantly suggest a sense of refinement and sophistication. For a more casual take, consider words like comfortably, snugly, or cozily, expressing a sense of warmth and comfort. When writing, try to choose a synonym that best suits the tone and context of your writing, ensuring that it accurately reflects the mood and atmosphere you wish to convey.