WordWeb Online

1. (military) the state of having been made ready or prepared for use or action (especially military action)
   "putting them in readiness";
   - preparedness, preparation
    
2. Prompt willingness
   "readiness to continue discussions";
   - eagerness, zeal, forwardness
    
3. (psychology) being temporarily ready to respond in a particular way
   "the subjects' readiness led them to solve problems the familiar way and to overlook the simpler solution";
   - set
    
4. A natural effortlessness
   "a happy readiness of conversation";
   - facility

See also: ready, unready

Type of: cognitive state, effortlessness, state, state of mind, willingness