An excerpt from "Bible Study Tools.com" entitled, "8 Steps to Knowing God's Will For Your Life" by Chris Russell, lists the following:
1. Walk with God.
2. Surrender your will to God's.
3. Obey what you already know to be God's Will.
4. Seek Godly input.
5. Pay attention to how God has wired you.
6. Listen to God's Spirit.
7. Listen to your heart.
8. Take a look at your circumstances.
An explanation of the above items may be viewed at: 8 Steps to Knowing God's Will For Your Life/biblestudytools.com
Reference: 1 Corinthians 7:37