Cognisance is a term that refers to the ability to recognize and understand something. NOTICE, HEED, ATTENTION, COMPREHENSION, UNDERSTANDING, and KNOWLEDGE are all related terms that can be used to describe cognisance. NOTICE is a 6 letter word meaning to become aware of something. HEED is a 4 letter word meaning to pay ATTENTION to something. ATTENTION is a 9 letter word meaning to focus on something. COMPREHENSION is a 13 letter word meaning to understand something. UNDERSTANDING is also a 13 letter word meaning to comprehend something. KNOWLEDGE is a 9 letter word meaning to have information about something. All of these words can be used to describe cognisance, which is the ability to recognize and understand something.