(n)wellan enclosed compartment in a ship or plane for holding something as e.g. fish or a plane's landing gear or for protecting something as e.g. a ship's pumps
(a)wellin good health especially after having suffered illness or injury“appears to be entirely well”, “the wound is nearly well”, “a well man”, “I think I'm well; at least I feel well”
(s)good, wellresulting favorably“it's a good thing that I wasn't there”, “it is good that you stayed”, “it is well that no one saw you”, “all's well that ends well”
(r)well, good(often used as a combining form) in a good or proper or satisfactory manner or to a high standard (`good' is a nonstandard dialectal variant for `well')“the children behaved well”, “a task well done”, “the party went well”, “he slept well”, “a well-argued thesis”, “a well-seasoned dish”, “a well-planned party”, “the baby can walk pretty good”
(r)wellthoroughly or completely; fully; often used as a combining form“The problem is well understood”, “she was well informed”, “shake well before using”, “in order to avoid food poisoning be sure the meat is well cooked”, “well-done beef”, “well-satisfied customers”, “well-educated”
(r)well, easilyindicating high probability; in all likelihood“I might well do it”, “a mistake that could easily have ended in disaster”, “you may well need your umbrella”, “he could equally well be trying to deceive us”
(r)well(used for emphasis or as an intensifier) entirely or fully“a book well worth reading”, “was well aware of the difficulties ahead”, “suspected only too well what might be going on”
(r)wellto a suitable or appropriate extent or degree“the project was well underway”, “the fetus has well developed organs”, “his father was well pleased with his grades”
(r)well, considerably, substantiallyto a great extent or degree“I'm afraid the film was well over budget”, “painting the room white made it seem considerably (or substantially) larger”, “the house has fallen considerably in value”, “the price went up substantially”