n. The state or quality of being heedful; attention; caution; wariness; circumspection.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the trait of staying aware of (paying close attention to) your responsibilities
Word Usage
"It also emphasizes the role that heedfulness plays in developing each, for heedfulness is what enables each strength to counteract a particular delusion that makes fear unskillful, and the mind weak in the face of its fears."