1. The state, quality, or fact of being prudent.

2. Careful management; economy.

Synonyms: These nouns refer to the exercise of good judgment, common sense, and even caution, especially in the conduct of practical matters. Prudence is the most comprehensive: "She had been forced into prudence in her youth, she learned romance as she grew older" (Jane Austen).
Discretion suggests wise self-restraint, as in resisting a rash impulse: "The better part of valor is discretion" (Shakespeare).
Foresight implies the ability to foresee and make provision for what may happen: She had the foresight to make backups of her computer files.
Forethought suggests advance consideration of future eventualities: The empty refrigerator indicated a lack of forethought.
Circumspection implies discretion, as out of concern for moral or social repercussions: "The necessity of the times, more than ever, calls for our utmost circumspection" (Samuel Adams).