W: (v) hesitate [Related to: hesitation] (pause or hold back in uncertainty or unwillingness) "Authorities hesitate to quote exact figures"
W: (v) vacillate [Related to: vacillation] (be undecided about something; waver between conflicting positions or courses of action) "He oscillates between accepting the new position and retirement"
W: (v) waver [Related to: wavering] (pause or hold back in uncertainty or unwillingness) "Authorities hesitate to quote exact figures"
S: (n) swing, swinging, vacillation (changing location by moving back and forth)