Encara no tenim significats per a "become cognisant".
1Two facts of which she immediately became cognisant, prevented this.
2Beholding her at close range like this, I suddenly became cognisant of what I was in for.
3Robin, in his blind vengeance, took to lying in wait with a gun: and Roy became cognisant of this.
4"We don't live long in this world ere becoming cognisant of that fact."
5"How, then, did Mr. C- become cognisant of the fact?"