Nouns

(n)goodbenefit“for your own good”, “what's the good of worrying?”
(n)good, goodnessmoral excellence or admirableness“there is much good to be found in people”
(n)good, goodnessthat which is pleasing or valuable or useful“weigh the good against the bad”, “among the highest goods of all are happiness and self-realization”
(n)commodity, trade good, gooda raw material that is sold in large quantities, usually to other businesses for manufacturing or production purposes

Adjectives

(a)goodhaving desirable or positive qualities especially those suitable for a thing specified“good news from the hospital”, “a good report card”, “when she was good she was very very good”, “a good knife is one good for cutting”, “this stump will make a good picnic table”, “a good check”, “a good joke”, “a good exterior paint”, “a good secretary”, “a good dress for the office”
(s)full, goodhaving the normally expected amount“gives full measure”, “gives good measure”, “a good mile from here”
(a)goodmorally admirable
(s)estimable, good, honorable, respectable, admirabledeserving of esteem and respect“all respectable companies give guarantees”, “ruined the family's good name”
(s)beneficial, goodpromoting or enhancing well-being“an arms limitation agreement beneficial to all countries”, “the beneficial effects of a temperate climate”, “the experience was good for her”
(s)goodagreeable or pleasing“we all had a good time”, “good manners”
(s)good, just, uprightof moral excellence“a genuinely good person”, “a just cause”, “an upright and respectable man”
(s)adept, expert, good, practiced, proficient, skillful, skilfulhaving or showing knowledge and skill and aptitude“adept in handicrafts”, “an adept juggler”, “an expert job”, “a good mechanic”, “a practiced marksman”, “a proficient engineer”, “a lesser-known but no less skillful composer”, “the effect was achieved by skillful retouching”
(s)goodthorough“had a good workout”, “gave the house a good cleaning”
(s)dear, good, nearwith or in a close or intimate relationship“a good friend”, “my sisters and brothers are near and dear”
(s)dependable, good, safe, securefinancially safe“a good investment”, “a secure investment”
(s)good, right, ripemost suitable or right for a particular purpose“a good time to plant tomatoes”, “the right time to act”, “the time is ripe for great sociological changes”
(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”
(s)effective, good, in effect, in forceexerting force or influence“the law is effective immediately”, “a warranty good for two years”, “the law is already in effect (or in force)”
(s)goodcapable of pleasing“good looks”
(s)good, seriousappealing to the mind“good music”, “a serious book”
(s)good, soundin excellent physical condition“good teeth”, “I still have one good leg”, “a sound mind in a sound body”
(s)good, salutarytending to promote physical well-being; beneficial to health“beneficial effects of a balanced diet”, “a good night's sleep”, “the salutary influence of pure air”
(s)good, honestnot forged“a good dollar bill”
(s)good, unspoiled, unspoiltnot left to spoil“the meat is still good”
(s)goodgenerally admired“good taste”

Adverbs

(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)thoroughly, soundly, goodcompletely and absolutely (‘good’ is sometimes used informally for ‘thoroughly’)“he was soundly defeated”, “we beat him good”