Ordination is the setting selected believers apart for the purpose of oversight in the Christian Church through the laying-on-of-hands. There is no limit to the offices in need of ordination for ministerial functions in scripture.
In two instances the laying on of hands is clearly associated with endorsement of Christian servants, ie. the setting apart of the Seven (Acts6) and the commissioning of Paul and Barnabas in Acts 13 to fulfill a missionary task. Several Pauline passages indicate a possible reference to the leadership installment ceremony.
The first of these (1 Timothy 4:14) refers to the laying on of hands on Timothy by the elders. The fact that Paul speaks of the charisma (gift) that was received by Timothy through the laying-on-of-hands suggests a leadership installment ceremony.
By the laying on of hands:
__________________is now ordained through the power of the Holy Spirit to advance the Kingdom of God through the leadership and discipleship of other Christians. May the Lord bless and keep you, may the Lord make His face shine upon you and be gracious to you. May the Lord show you His favor and give you peace in order to advance the Kingdom of God through all of the earth in the name of our Lord Jesus Christ. Amen.