The English word worship connotes acknowledgement of worthiness. The church gives praise to the God who is worthy, and brings the congregation in unison to express fear, faith, love, joy, confidence, awe and a wide range of other expression we have in our relationship with God.
The first chronological evidence of worship in the Bible was when Miriam gave thanks and praise to God for saving the Israelites from the hands of Pharaoh and swallowed the army of Egypt whole after they crossed the parted Red Sea. The reason of our praise to the Lord comes from the depths of our heart when experiencing the power of cross that brought forth our salvation, and fallen into His the eternal embrace.
We are reminded of our intimate relationship with God in our worship and prayer. We declare both publicly and privately to confirm the work of Jesus Christ in our lives.
Sing joyfully to the Lord, you righteous; it is fitting for the upright to praise him. Praise the Lord with the harp; make music to him on the ten-stringed lyre. Sing to him a new song; play skillfully, and shout for joy. (Psalm 33:1-3)