John 2:23
Now when he was in Jerusalem at the Passover Feast, many believed in his name when they saw the signs that he was doing.
believed in his name
The name of the Lord can be misused and misapplied, but the plain meaning of the text is the authority he holds. Claiming his authority and actually having it are two different things.
John 1:12
To all who did receive him, who believed in his name, he gave the right to become children of God....
John 3:18
Whoever believes in him is not condemned, but whoever does not believe is condemned already, because he has not believed in the name of the only Son of God.
John 20:31
...These are written so that you may believe that Jesus is the Christ, the Son of God, and that by believing you may have life in his name.
Acts 2:38
And Peter said to them, "Repent and be baptized every one of you in the name of Jesus Christ for the forgiveness of your sins...."
Acts 10:48
And he commanded them to be baptized in the name of Jesus Christ.
Acts 19:5
On hearing this, they were baptized in the name of the Lord Jesus.
1 Corinthians 1:10
I appeal to you, brothers, by the name of our Lord Jesus Christ, that all of you agree, and that there be no divisions among you, but that you be united in the same mind and the same judgment.
1 Corinthians 6:11
And such were some of you. But you were washed, you were sanctified, you were justified in the name of the Lord Jesus Christ and by the Spirit of our God.
Colossians 3:17
And whatever you do, in word or deed, do everything in the name of the Lord Jesus, giving thanks to God the Father through him.
1 John 3:23
And this is his commandment, that we believe in the name of his Son Jesus Christ and love one another, just as he has commanded us.