cognise

verb2

1. •
   To know, perceive, or become aware of.

   • [T]hey must possess organs of sight—some method of cognizing their environment—akin to that of vision in man. — 1934
2. •
   To make into an object of cognition (the process of acquiring knowledge through thought); to cogitate.

   • “Thinking a lot” also involves other types of cognizing as well, such as cognizing about depressive themes such as being left by a wife for another man or being separated from relatives. — 2015