What is the Baptism in the Holy Spirit

Acts 2:4 The baptism in the Holy Spirit is witnessed by the initial physical sign of speaking with other tongues as the Spirit of God gives them utterance. The proper terminology is not the “Baptism of the Holy Spirit” for that would make the Holy Spirit the baptizer. John said, “He (Christ) shall baptize you in the Holy Spirit.” (author’s translation). The Holy Spirit is the element into which…