Obviate

[ ob-vee-eyt ]

verb

1. remove (a need or difficulty).
2. avoid; prevent.

Examples of obviate in a sentence:

• If you want to obviate the risk of skin cancer throughout your life, it’s important that you are protected from sun exposure from the time you are an infant.  
• After his mother had fallen in the bathtub, Farley installed safety rails in order to obviate any recurrence of such a mishap.