Matthew 19:17 ὁ δὲ εἶπεν αὐτῷ· τί με ἐρωτᾷς περὶ τοῦ ἀγαθοῦ; εἷς ἐστιν ὁ ἀγαθός· εἰ δὲ θέλεις εἰς τὴν ζωὴν εἰσελθεῖν, τήρει / τήρησον τὰς ἐντολάς.
He said to him, "Why do you call me good? No one is good but one, that is, God. But if you want to enter into life, keep the commandments."
Adjective: Nominative Singular Masculine

Matthew 20:15 [ἢ] οὐκ ἔξεστίν μοι ὃ θέλω ποιῆσαι ἐν τοῖς ἐμοῖς; ἢ ὁ ὀφθαλμός σου πονηρός ἐστιν ὅτι ἐγὼ ἀγαθός εἰμι;
Isn't it lawful for me to do what I want to with what I own? Or is your eye evil, because I am good?'
Adjective: Nominative Singular Masculine

Mark 10:18 ὁ δὲ Ἰησοῦς εἶπεν αὐτῷ· τί με λέγεις ἀγαθόν; οὐδεὶς ἀγαθὸς εἰ μὴ εἷς ὁ θεός.
Jesus said to him, "Why do you call me good? No one is good except one--God.
Adjective: Nominative Singular Masculine

Luke 6:45 ὁ ἀγαθὸς ἄνθρωπος ἐκ τοῦ ἀγαθοῦ θησαυροῦ τῆς καρδίας προφέρει τὸ ἀγαθόν, καὶ ὁ πονηρὸς ἐκ τοῦ πονηροῦ προφέρει τὸ πονηρόν· ἐκ γὰρ περισσεύματος καρδίας λαλεῖ τὸ στόμα αὐτοῦ.
The good man out of the good treasure of his heart brings out that which is good, and the evil man out of the evil treasure of his heart brings out that which is evil, for out of the abundance of the heart, his mouth speaks.
Adjective: Nominative Singular Masculine

Luke 18:19 εἶπεν δὲ αὐτῷ ὁ Ἰησοῦς· τί με λέγεις ἀγαθόν; οὐδεὶς ἀγαθὸς εἰ μὴ εἷς ὁ θεός.
Jesus asked him, "Why do you call me good? No one is good, except one--God.
Adjective: Nominative Singular Masculine

Luke 23:50 Καὶ ἰδοὺ ἀνὴρ ὀνόματι Ἰωσὴφ βουλευτὴς ὑπάρχων [καὶ] ἀνὴρ ἀγαθὸς καὶ δίκαιος—
Behold, a man named Joseph, who was a member of the council, a good and righteous man
Adjective: Nominative Singular Masculine

John 7:12 καὶ γογγυσμὸς περὶ αὐτοῦ ἦν πολὺς ἐν τοῖς ὄχλοις· οἱ μὲν ἔλεγον ὅτι ἀγαθός ἐστιν, ἄλλοι δὲ ἔλεγον· οὔ ἀλλὰ πλανᾷ τὸν ὄχλον.
There was much murmuring among the multitudes concerning him. Some said, "He is a good man." Others said, "Not so, but he leads the multitude astray."
Adjective: Nominative Singular Masculine

Acts 11:24 ὅτι ἦν ἀνὴρ ἀγαθὸς καὶ πλήρης πνεύματος ἁγίου καὶ πίστεως καὶ προσετέθη ὄχλος ἱκανὸς τῷ κυρίῳ.
For he was a good man, and full of the Holy Spirit and of faith, and many people were added to the Lord.
Adjective: Nominative Singular Masculine

Ephesians 4:29 πᾶς λόγος σαπρὸς ἐκ τοῦ στόματος ὑμῶν μὴ ἐκπορευέσθω, ἀλλὰ εἴ τις ἀγαθὸς πρὸς οἰκοδομὴν τῆς χρείας, ἵνα δῷ χάριν τοῖς ἀκούουσιν.
Let no corrupt speech proceed out of your mouth, but such as is good for building up as the need may be, that it may give grace to those who hear.
Adjective: Nominative Singular Masculine