ob·vi·ate 
/ˈɑ:bviˌeɪt/ verb
ob·vi·ates; ob·vi·at·ed; ob·vi·at·ing /ˈɑ:bviˌeɪt/ verb [+ obj] formal : to make (something) no longer necessary
▪ The new medical treatment obviates the need for surgery. : to prevent or avoid (something) ▪ The new treatment obviates many of the risks associated with surgery.
▪ The new medical treatment obviates the need for surgery. : to prevent or avoid (something) ▪ The new treatment obviates many of the risks associated with surgery.
