Definitions of future:

• noun:   bulk commodities bought or sold at an agreed price for delivery at a specified future date
• noun:   a verb tense that expresses actions or states in the future
• noun:   the time yet to come
• adjective:   yet to be or coming

  Example: "Some future historian will evaluate him"

• adjective:   effective in or looking toward the future

  Example: "He was preparing for future employment opportunities"

• adjective:   a verb tense or other formation referring to events or states that have not yet happened

  Example: "Future auxiliary"