grasp

Turning back, then, toward the basement staircase, she began to grope her way through blinding darkness, but had taken only a few uncertain steps when, of a sudden, she stopped short and for a little stood like a stricken thing, quite motionless save that she quaked to her very marrow in the grasp of a great and enervating fear.

There is for the mind but one grasp of happiness: from that uppermost pinnacle of wisdom, whence we see that this world is well designed.

The goal is within my grasp.