Soliluxion 

Soliluxion: (noun) The moment of clarity and understanding that leads to a resolution in a philosophical or existential dilemma.

In the quiet of the forest, he experienced a soliluxion that helped him make peace with his past.

Soliluxion by Drakovi Bloodrose October 19, 2023

solitusion 

That state or situation of being alone, just like solitude but being able to say it without a long sentence.

I have to be in solitusion to play that video game.

solitusion by Kush Delta June 6, 2017