optimistic

Meanings

1. 1
   adj

   expecting the best in this best of all possible worlds

   in an optimistic mood

2. 2
   adj

   Expecting the best in all possible ways.

   in an optimistic mood

3. 3
   adj

   Allowing other processes to perform transactions on the same data at the same time, and checking for conflicts only when changes need to be written back.

   optimistic concurrency

4. 4
   adj

   expecting the best

Etymology

From optimist + -ic.