adjective / noun / interjection
good
GOOD/ɡʊd/
Meeting a desirable standard of quality or conduct.
Giving groceries to the worried parent is a good deed.

Etymology
Old English gōd already covered both desirable qualities and moral virtue. The modern word preserves that breadth: something can be good because it is useful or valuable, while a person can be good in character.
In context
I looked for a surgeon who I felt would do a good job,
But that's a good thing-- you get to meet more people,
More examples
- He's always good to people who need help.
- She tries to do good, even when nobody notices.
- A short break does me good.
- Good, we have enough chairs for everyone.
Forms
good · better · best
goodness noun — The quality of being kind or virtuous.
Similar words
- satisfactory
- Satisfactory meets basic expectations without necessarily being especially impressive.
- beneficial
- Beneficial emphasizes helpful effects rather than quality or moral conduct.
- virtuous
- Virtuous specifically describes moral excellence, not general quality or usefulness.