ruminating

is the word of the day.

ru·mi·nate

ˈro͞oməˌnāt/

verb

1. 1.

   think deeply about something.

   "we sat ruminating on the nature of existence"

   synonyms:

   think about, contemplate, consider, meditate on, muse on, mull over, ponder on/over,deliberate about/on, chew on, puzzle over;  formalcogitate about "we ruminated on the nature of existence"

2. 2.

   (of a ruminant) chew the cud.

   synonyms:

   think about, contemplate, consider, meditate on, muse on, mull over, ponder on/over,deliberate about/on, chew on, puzzle over;  formalcogitate about "we ruminated on the nature of existence"