adj

• (of people or animals)
  "good intentions"
• (of people or animals)
  "a good swimmer"
• (of people or animals)
  "Can you lend me fifty dollars? You know I'm good for it."
• (of people or animals)
  "Be good while your mother and I are out."

adv

• (informal) Well; satisfactorily or thoroughly.
  "When you're cleaning these racks, you've got to get in there good, because the quality system specifies it."

noun

• (uncountable) The forces or behaviours that are the enemy of evil. Usually consists of helping others and general benevolence.
  "And Vickers launched forth into a tirade very different from his platform utterances. He spoke with extreme contempt of the dense stupidity exhibited on all occasions by the working classes. He said that if you wanted to do anything for them, you must rule them, not pamper them. Soft heartedness caused more harm than good."
• (countable) A result that is positive in the view of the speaker.
• (uncountable) The abstract instantiation of goodness; that which possesses desirable qualities, promotes success, welfare, or happiness, is serviceable, fit, excellent, kind, benevolent, etc.
  "The best is the enemy of the good."
• (countable, usually in the plural) An item of merchandise.
  "Thy lands and goods / Are, by the laws of Venice, confiscate / Unto the state of Venice."

verb

• (intransitive, now) To thrive; fatten; prosper; improve.
• (transitive) To make good; turn to good; improve.
• (intransitive) To make improvements or repairs.
• (intransitive) To benefit; gain.