vac·il·late 
/ˈvæsəˌleɪt/ verb
vac·il·lates; vac·il·lat·ed; vac·il·lat·ing /ˈvæsəˌleɪt/ verb [no obj] formal : to repeatedly change your opinions or desires
▪ She has vacillated on this issue. — often + between ▪ He vacillates between seeking attention from the public and avoiding the media altogether.
▪ She has vacillated on this issue. — often + between ▪ He vacillates between seeking attention from the public and avoiding the media altogether.
— vac·il·la·tion /ˌvæsəˈleɪʃən/ noun, plural vac·il·la·tions [count, noncount]
/ˌvæsəˈleɪʃən/ noun, plural vac·il·la·tions [count, noncount]
