ruminating

/R UW1 M IH0 N EY0 T IH0 NG/
verb
  1. 1

    To chew cud. (Said of ruminants.) Involves regurgitating partially digested food from the rumen.

    โ€œA camel will ruminate just as a cow will.โ€

  2. 2

    To meditate or reflect.

    โ€œI didn't answer right away because I needed to ruminate first.โ€

  3. 3

    To meditate or ponder over; to muse on.

noun
  1. 1

    An act of pondering over, meditation, or reflection.

Source: https://en.wiktionary.org/wiki/ruminate, https://en.wiktionary.org/wiki/ruminating