The term 'not nodding' can be described by three crossword solutions: AWAKE (5 letters), WIDEAWAKE (9 letters), and ALERT (5 letters). All three words refer to a state of being conscious and aware, as opposed to being asleep or inattentive. AWAKE is the most basic of the three words, referring to simply being conscious. WIDEAWAKE is a more intense version of being AWAKE, suggesting a heightened level of awareness and alertness. ALERT is the most intense of the three words, implying a state of readiness and preparedness.