Synonyms and related words :
Mickey Mouse, casual, clear, comfortable, comfy, commodious, contented, convenient, cozy, cushioned, cushiony, easeful, easy, easy as pie, effortless, facile, friendly, glib, homelike, homely, homey, light, lived-in, luxurious, nothing to it, painless, peaceful, plain, relaxing, reposeful, restful, roomy, simple, simple as ABC, smooth, snug, soft, straightforward, unburdensome, uncomplicated, warm