noun
the act of preventing something by anticipating and disposing of it effectively
• Syn: ↑obviation, ↑preclusion
• Derivationally related forms: ↑preclude (for: ↑preclusion), ↑forestall, ↑obviate (for: ↑obviation)
• Hypernyms: ↑prevention, ↑bar
Useful english dictionary. 2012.