From meletaō (to practice, to meditate on). Denotes careful thought, meditation, study, or practice — the disciplined exercise of the mind on a subject. Related to giving diligent attention to something.
Paul instructed Timothy to meditate on and give himself wholly to the teachings entrusted to him (1 Timothy 4:15). This word emphasizes that spiritual growth requires deliberate, sustained mental engagement with truth — not passive absorption. The Psalms celebrate meditation on God's law day and night. Christianity demands the life of the mind: thinking deeply, studying carefully, and practicing consistently.