This is the 16914th most frequent Russian word.
сознания
"Consciousness" or "awareness."
In this sentence, 'сознание' refers to an individual's awareness and mental processing as a philosophical concept.
Его сознание наполнилось удивлением, когда он увидел это.
His consciousness was filled with wonder when he saw it.
Here, 'сознание' is used to denote the state of being conscious and awake as in medical contexts.
Врач проверил его сознание после травмы головы.
The doctor checked his consciousness after the head injury.
In this case, 'сознания' is plural and used metaphorically to mean the collective awareness or mindset of individuals.