Consider (νοε). Present active imperative of νοεω, old verb, to put your mind (νους) on. See Ephesians 3:4 and like command in 1. Corinthians 10:15.

Understanding (συνεσιν). "Comprehension" (from συνιημ, to send together, to grasp). See Colossians 1:9; Colossians 2:2. This is a blessed promise that calls for application.