Synonyms for Comfortable:

adj.

affluent, wealthy (adjective)
enough, ample, sufficient, well-to-do, prosperous, suitable, well-heeled.
all (adjective)
comfy.
comfortable (adjective)
commodious, cozy, contented, gratifying, acceptable, pleasurable, restful, agreeable.
content (adjective)
complacent, at ease, easy, snug, contend, satisfied, serene.
good feeling (adjective)
easy, snug, cozy, complacent, untroubled, happy, useful, relaxed, enjoyable, rested, sheltered, serene, well-off, contented, healthy, pleased, restored, restful, relieved, warm, adequate, relaxing, satisfying, agreeable, protected.
more than adequate (adjective)
luxurious, roomy, commodious, rich, spacious, palatial.
prosperous (adjective)
well-heeled.
quiet (adjective)
restful.

n.

go to sleep, insensible, numb, analgesia, Easeful, painless, dead, good, numbing, insensitive. beachfront, excess, decent, carbuncle, colonial, cavernous, carpeted, appointed, burned-out, baronial, competent, enough, brownstone, adequate. critical, injured, out of action, battered, cut-up, wounded, black-and-blue, hurt, thrive, lame. manageable, simple, mindless, trouble-free, effortless, undemanding, come naturally/easily/easy (to someone), elementary. folksy, civilized, intimate, salubrious. competitive, handsome, hot, devastating, convincing, hardball, hotly, decisive, friendly. adequate (noun)
suitable, ample, enough.
comfortable (noun)
homelike, well-to-do, sufficient, well-fixed, at ease, homy, homely, well-off, wide, cosy, comfy, soothing, well-heeled, comforted, prosperous, rich, snug, homey, cozy, easy, well-situated.
rich (noun)
comfortably off, wealthy, in the lap of luxury, in funds.

Other synonyms:

luxurious, cavernous, insensitive, happy, salubrious, baronial, beachfront, cut-up, appointed, palatial, numbing, burned-out, carpeted, content, Easeful, spacious, black-and-blue, insensible, relieved, relaxed. adequate, folksy, handsome, civilized, analgesia, brownstone, injured, wounded, carbuncle, painless, convincing, hardball. hotly, battered, decisive, colonial, enough. numb, competent, devastating, competitive, friendly. decent, lame. intimate. dead. hot. rich
rich, affluent, wealthy, comfortably off.

Usage examples for comfortable

  1. And I think papa is pretty comfortable – A Red Wallflower by Susan Warner
  2. I will work for us both- you shall be comfortable and enjoy your old days! – Pelle the Conqueror, Vol. 2 by Martin Anderson Nexo
  3. " Quite comfortable here of an afternoon," said Ashton- Kirk as he dropped into a chair at the other side of the window. – Ashton-Kirk, Criminologist by John T. McIntyre