alternative

Meanings

• one of a number of things from which only one can be chosen
  • "there no other alternative"
• serving or used in place of another
  • "an alternative plan"
• necessitating a choice between mutually exclusive possibilities
  • "alternative possibilities were neutrality or war"
• pertaining to unconventional choices
  • "an alternative life style"

Synonyms

alternate, choice, option, substitute