The meaning of “ἀγαθός”

“And, behold, one came and said unto him, Good Master, what good thing shall I do, that I may have eternal life?”

“For he was a good man, and full of the Holy Ghost and of faith: and much people was added unto the Lord.”

“Let no corrupt communication proceed out of your mouth, but that which is good to the use of edifying, that it may minister grace unto the hearers.”

“Comfort your hearts, and stablish you in every good word and work. ”

“But without thy mind would I do nothing; that thy benefit should not be as it were of necessity, but willingly.”