_noun_ A state of being stable; firmness or permanence.

_noun_ Lessons or classes intended to teach a specific skill.

_verb_ To throw back light or heat; to think deeply.

_noun_ An instance of invading a country or region.

_verb_ To travel through an unfamiliar area to learn about it.

_verb_ To hold closely in one’s arms.

_adverb_ To a small degree; not considerably.

_noun_ All existing matter and space considered as a whole.

_noun_ An uncultivated region or area left in its natural state.

_verb_ To keep (someone) in subservience and hardship.