To work out

To effect by labor and exertion.
To erase; to efface.
- Phil. ii. 12.

See also: Work, Work

Mentioned in ?
References in classic literature ?
Thanks to the stupidity of the French, they have gone to such lengths to conceal the fact of my escape for these many days that I have had ample opportunity to work out every detail of our little adventure so carefully that there is little chance of the slightest hitch occurring to mar our prospects.