WordWeb Online

1. Worthy of acceptance or satisfactory
   "acceptable levels of radiation"; "performances varied from acceptable to excellent"
    
2. Judged to be in conformity with approved usage
   "acceptable English usage"
    
3. Meeting requirements
   - satisfactory
    
4. Adequate for the purpose
   "the water was acceptable for drinking"

See also: accept, acceptability, acceptably, bankable, fit, good, received, satisfactory, standard, unacceptably, unexceptionable, unimpeachable, unobjectionable

Antonym: unacceptable

Encyclopedia: Acceptable