For this cause we also, since the day we heard it, do not cease to pray for you, and to desire that ye might be filled with the knowledge of his will in all wisdom and spiritual understanding;
-Colossians 1:9
Understanding in the original is the word sunesis , sunesis is a confluence
a flowing together of two or more streams, rivers, or the like:
The prayer and desire is for Christian believers to be filled with the knowledge and wisdom that forms a confluence of spiritual understanding.