is there a word that means "to struggle with internally" or to "play with an idea in your mind"

i feel like there is but i can't remember

"Ruminate" is a good word for that.

To "mull over" something is also more common.

cogitate i think




lol what if cogitated was a word.....

Procrastinating? Yeah, I do that all the time.

You might consider contemplate.

I find ruminate to be a lofty word, best used to describe more scholarly things.