sat·is·fac·to·ry
 /ˌsætəsˈfæktəri/  adj   [more ~; most ~]
  : good enough for a particular purpose : acceptable
   The job requires a satisfactory level of performance.
   Results are less satisfactory than had been anticipated.
   He gave a satisfactory account/explanation of how the accident had happened.
   The movie was brought to a satisfactory close/conclusion/end.
   His work has been satisfactory, but not outstanding.
  — opposite unsatisfactory
  sat·is·fac·to·ri·ly /ˌsætəsˈfæktərəli/  adv  
   My questions had been answered satisfactorily.
   They performed satisfactorily on the exam.