'Certain' in the Bible

Even as the witness of the Christ has been made certain among you:

And I gave baptism to the house of Stephanas; but I am not certain that any others had baptism from me.

Even unto this present hour we both hunger, and thirst, and are naked, and are buffeted, and have no certain dwellingplace;

And as if I were not coming unto you certain were puffed up;

Is it not certain that the saints will be the judges of the world? if then the world will be judged by you, are you unable to give a decision about the smallest things?

Is it not certain that we are to be the judges of angels? how much more then of the things of this life?

And certain of you were these! but ye were washed, but ye were sanctified, but ye were declared righteous, in the name of the Lord Jesus, and in the Spirit of our God.

A married woman is not mistress of her own person: her husband has certain rights. In the same way a married man is not master of his own person: his wife has certain rights.

For how may you be certain, O wife, that you will not be the cause of salvation to your husband? or you, O husband, that you may not do the same for your wife?

So, then, as to the question of taking food offered to images, we are certain that an image is nothing in the world, and that there is no God but one.

but not in all men is the knowledge, and certain with conscience of the idol, till now, as a thing sacrificed to an idol do eat it, and their conscience, being weak, is defiled.

Neither become ye idolaters, as certain of them, as it hath been written, 'The people sat down to eat and to drink, and stood up to play;'

neither may we commit whoredom, as certain of them did commit whoredom, and there fell in one day twenty-three thousand;

neither may we tempt the Christ, as also certain of them did tempt, and by the serpents did perish;

Now there are [distinctive] varieties of spiritual gifts [special abilities given by the grace and extraordinary power of the Holy Spirit operating in believers], but it is the same Spirit [who grants them and empowers believers].

And God has set certain in the assembly: first, apostles; secondly, prophets; thirdly, teachers; then miraculous powers; then gifts of healings; helps; governments; kinds of tongues.

Even things without life, having a voice, such as a music-pipe or other instrument, if they do not give out different sounds, who may be certain what is being played?

afterwards he appeared to above five hundred brethren at once, of whom the greater part remain till now, and certain also did fall asleep;

And if Christ is preached, that out of the dead he hath risen, how say certain among you, that there is no rising again of dead persons?

I face death every day! That is as certain, brothers, as it is that I am proud of you in the Messiah, Jesus our Lord.

awake up, as is right, and sin not; for certain have an ignorance of God; for shame to you I say it.

For this cause, my dear brothers, be strong in purpose and unmoved, ever giving yourselves to the work of the Lord, because you are certain that your work is not without effect in the Lord.

for I do not wish to see you now in the passing, but I hope to remain a certain time with you, if the Lord may permit;