'we can grasp' is correct and usable in written English.
It is an informal way of saying that 'We can understand'. For example, "We can grasp the concept quickly after a few examples."
Much of the contentiousness surrounding California wine can be better fathomed if we can grasp how vulnerable people feel.
We each inhabit a consciousness, and that consciousness gives us the world and the universe and what we can grasp through the apprehension of our five senses.
We can grasp a new piece — how it is constructed, where it is going, what will come next — with such accuracy that even after a few bars we may be able to hum or sing along with it.
And while the comedy's plot, or what we can grasp of it here, is slightly more central than League of Gentlemen's first two series, Psychoville remains an opportunity for Shearsmith and Pemberton to do what they do best: dress up like creeps and scare small children.
Perhaps it is only now, with the lengthy pontificate of John Paul II, that we can grasp the meaning of the meteorlike passage of John Paul I -- possibly the last Italian pope -- who appeared just long enough to give himself a name and then to name his successor, as if to compensate Italy for its loss.
However material, however specific to a place, however self-contained or abstracted or open-endedly metaphorical, the encounter with art inevitably presents us with something we can grasp only with reference to the familiar, with what we already know for ourselves.
"It's a positive that we now can grasp what the direct costs might be, but Toyota has yet to address uncertainties about indirect costs, such as litigation costs and costs of incentives to win back customers," it quoted JP Morgan analyst Kohei Takahashi as saying.
It is not that we can subordinate our actions to reason; it is that our reason can grasp what we do from our emotional nature and come to understand and make sense of it.
"I think we need a president who can grasp reality a little better," he declared to applause.
So, you can grasp your masculinity physically.'".
He can grasp and release his rattle.
