Immerse
IMMERSE, verb transitive immers'. [Latin immersus, from immergo; in and mergo, to plunge.]
1. To put under water or other fluid; to plunge; to dip.
2. To sink or cover deep; to cover wholly; as, to be immersed in a wood.
3. To plunge; to overwhelm; to involve; to engage deeply; as, to immerse in business or cares.
It is impossible for a man to have a lively hope in another life, and yet be deeply immersed in the enjoyment of this.