backcast

Short definition from Wiktionary

Verb

1. 1
   To identify the actions required in order to reach a proposed future.
2. 2
   To change retrospectively; reverse.

Noun

1. 1
   A cast or throw back.
2. 2
   A backward stroke, or a stroke driving one back.
3. 3
   Any discouragement or cause of relapse or failure.
4. 4
   Misfortune; reverse; reversal; a relapse in health or illness; moral backsliding.
5. 5
   Retrospect; hindsight.
6. 6
   backwater

Adjective

1. 1
   Retrospective.

Adverb

1. 1
   Long ago; in the past.