1 Peter 3:16

having a good conscience; that, wherein ye are spoken against, they may be put to shame who revile your good manner of life in Christ.

1 Peter 2:12

having your behavior seemly among the Gentiles; that, wherein they speak against you as evil-doers, they may by your good works, which they behold, glorify God in the day of visitation.

Hebrews 13:18

Pray for us: for we are persuaded that we have a good conscience, desiring to live honorably in all things.

Matthew 5:11

Blessed are ye when men'shall reproach you, and persecute you, and say all manner of evil against you falsely, for my sake.

1 Timothy 1:5

But the end of the charge is love out of a pure heart and a good conscience and faith unfeigned:

1 Peter 2:15

For so is the will of God, that by well-doing ye should put to silence the ignorance of foolish men:

1 Peter 2:19

For this is acceptable, if for conscience toward God a man endureth griefs, suffering wrongfully.

1 Peter 3:21

which also after a true likeness doth now save you, even baptism, not the putting away of the filth of the flesh, but the interrogation of a good conscience toward God, through the resurrection of Jesus Christ;

Acts 24:16

Herein I also exercise myself to have a conscience void of offence toward God and men always.

Romans 9:1

I say the truth in Christ, I lie not, my conscience bearing witness with me in the Holy Spirit,

2 Corinthians 1:12

For our glorifying is this, the testimony of our conscience, that in holiness and sincerity of God, not in fleshly wisdom but in the grace of God, we behaved ourselves in the world, and more abundantly to you-ward.

2 Corinthians 4:2

but we have renounced the hidden things of shame, not walking in craftiness, nor handling the word of God deceitfully; but by the manifestation of the truth commending ourselves to every man's conscience in the sight of God.

1 Timothy 1:19

holding faith and a good conscience; which some having thrust from them made shipwreck concerning the faith:

2 Timothy 1:3

I thank God, whom I serve from my forefathers in a pure conscience, how unceasing is my remembrance of thee in my supplications, night and day

Titus 2:8

sound speech, that cannot be condemned; that he that is of the contrary part may be ashamed, having no evil thing to say of us.

Hebrews 9:14

how much more shall the blood of Christ, who through the eternal Spirit offered himself without blemish unto God, cleanse your conscience from dead works to serve the living God?

1 Peter 3:1-2

In like manner, ye wives, be in subjection to your won husbands; that, even if any obey not the word, they may without the word be gained by the behavior of their wives;

Treasury of Scripture Knowledge

Summary

Having a good conscience; that, whereas they speak evil of you, as of evildoers, they may be ashamed that falsely accuse your good conversation in Christ.

Falsely

General references

Bible References

Whereas

1 Peter 2:12
having your behavior seemly among the Gentiles; that, wherein they speak against you as evil-doers, they may by your good works, which they behold, glorify God in the day of visitation.
Titus 2:8
sound speech, that cannot be condemned; that he that is of the contrary part may be ashamed, having no evil thing to say of us.

Falsely

Matthew 5:11
Blessed are ye when men'shall reproach you, and persecute you, and say all manner of evil against you falsely, for my sake.

Good

1 Peter 3:1
In like manner, ye wives, be in subjection to your won husbands; that, even if any obey not the word, they may without the word be gained by the behavior of their wives;

General references

Acts 24:13
Neither can they prove to thee the things whereof they now accuse me.

American Standard Version Public Domain