Profound

1. To cause to sink deeply; to cause to dive or penetrate far down.
2. Descending far below the surface; opening or reaching to a great depth; deep.
3. To dive deeply; to penetrate.
4. The deep; the sea; the ocean.
5. Characterized by intensity; deeply felt; pervading; overmastering; far-reaching; strongly impressed; as, a profound sleep.
6. An abyss.
7. Intellectually deep; entering far into subjects; reaching to the bottom of a matter, or of a branch of learning; thorough; as, a profound investigation or treatise; a profound scholar; profound wisdom.
8. Bending low, exhibiting or expressing deep humility; lowly; submissive; as, a profound bow.