"at the realisation" is a grammatically correct phrase and can be used in written English.
It is typically used to refer to the moment when someone becomes aware or understands something. Example: At the realisation that she had forgotten her phone at home, Sarah felt a sinking feeling in her stomach.
Suddenly filled with self-consciousness at the realisation he is talking about his craft, he blushes.
It's more responsibility," says Mertesacker, chuckling at the realisation that he has almost been burdened rather than liberated.
And he is ashamed on her behalf and is convulsed with an emotion very like hate at the realisation of how little she thinks of him.
Indeed, I am genuinely intrigued at the realisation that I can recall not simply nothing of interest, but almost nothing at all, about the three main conferences.
It will also make you tremble in terror at the realisation that the people in charge of our destinies are, in many respects, idiots.
Asked whether she sometimes has to slap herself at the realisation that she and Serena are still here as the top two seeds, she said: "No, not really, because I work really hard year in and year out.
At that point the realisation dawned that the opposition was in with a chance.
'To have, at this age, the realisation that maybe I got some things wrong is quite nice, in a way.
To make matters worse it almost didn't get released at all amid the realisation that the site it would be published on was not secure.
At that moment the realisation flooded Brazil that they may well lose this game and they responded in the worst way possible.
Somewhere around the improbably self-effacing satori of 'Tabloid Lover'I('m'm really no one special, but I'm at my peak') the realisation hits that this is not only a very good Razorlight album, it's actually a very good album full-stop.
