good

adjective:of a high quality, standard, or level; satisfactory or excellent
- She is a good student who always completes her assignments on time.
adjective:morally right, virtuous, or well-behaved
- It is important to teach children to be good citizens.
adjective:beneficial, advantageous, or favorable
- Regular exercise is good for your health.
adjective:pleasant, enjoyable, or agreeable
- We had a good time at the party last night.
adjective:valid, sound, or reliable
- He had a good reason for being late.
adjective:considerable in amount, size, or degree
- We waited a good hour for the bus to arrive.
noun:that which is morally right; righteousness or benefit
- He always tries to see the good in people.
noun:a commodity or product that is produced for sale
- The store sells a variety of electronic goods.
adverb:well or satisfactorily
- The team played good enough to win the match.
interjection:an exclamation used to express approval, satisfaction, or encouragement
- "Good!" she shouted when he solved the problem.
interjection:in informal usage, a short term of approval for a plan or suggestion (often phrased as "good?" for confirmation)
- We'll meet at 7 p.m., good?