comfortable

Etymology

From Middle English comfortable, from Old French confortable, from conforter. By surface analysis, comfort + -able.

adj

1. Providing physical comfort and ease; agreeable.
   This is the most comfortable bed I’ve ever slept in.
2. In a state of comfort and content.
   What a great guestroom! I'll be quite comfortable here.
3. Confident; relaxed; not worried about someone or something.
4. Amply sufficient, satisfactory.
   A comfortable income should suffice to consider oneself rich.
   The home team is ahead by a comfortable margin.
   When Hape sauntered over for a try after only three minutes it looked as if England were destined for a comfortable victory, but Georgia are made of sterner stuff, as they showed when running Scotland close in Invercargill last week. September 18, 2011, Ben Dirs, “Rugby World Cup 2011: England 41-10 Georgia”, in BBC Sport
5. (obsolete) Comforting, providing comfort; consolatory.
   a comfortable provision made for their subsistence 1699, John Dryden, Tales from Chaucer
   The commanding officer readily granted a reprieve, and Louis, who, on the arrival of this letter, had forborne to communicate its contents to Theodore, left it should torture him with false hope, now hastened to him with this comfortable news. 1791, Ann Radcliffe, The Romance of the Forest
6. (obsolete) Strong; vigorous; valiant.
7. (obsolete) Serviceable; helpful.

noun

1. (US) A stuffed or quilted coverlet for a bed; a comforter.