Mulling

Marcus spent a long time mulling over the idea of buying himself a new motorbike.

I've been mulling over this problem for days.

He's been mulling over this idea he unveiled ever since he joined.

The Professor remained silent lost in deep thought, apparently mulling over the story in his scientific way.

I am mulling over whether to accept the job offer.

My mullings over where to go with my life, and now also where to go after Phuket island, incorporated what I saw in my everyday walks […]