The Clue Vajrasan: ___ and lower your hips on the heels
The Answer KNEEL
The clue refers to the yoga pose called Vajrasan, which involves sitting on your heels. To get into this position, you need to kneel down. Kneeling means bending your legs and resting your weight on your knees and heels. Therefore, "kneel" is the perfect answer for this crossword clue.