He is cognisant of the risks involved.

He showed great cognisance of the situation.

The students showed their cognisances by participating in the debate competition.

He cognises the importance of education.

He cognised the truth about the situation.

She is cognising the situation.

Cognising the complexity of the problem requires deep analysis and critical thinking.

I cognise the importance of education.

The police officer determined that the crime was cognisable.

The cognisings of the students were evident in their insightful questions.