n.
   - the state of something or someone, with regard to appearance, fitness, or working order. 
▸an illness or medical problem.
 ▸archaic social position.
 - 
(conditions)
 circumstances affecting the functioning or existence of something.
 - a state of affairs that must exist before something else is possible.
 
v.
    - have a significant influence on. 
▸train or accustom to behave in a certain way.
 ▸
[as adj. conditioned]
 relating to or denoting automatic responses established by training to an ordinarily neutral stimulus.
 - bring into the desired state for use. 
▸
[often as adj. conditioned]
 make fit and healthy.
 - apply conditioner to (the hair).
 - set prior requirements on (something) before it can occur.
 
 
  Phrase
  
    - in 
(or out of)
 condition
 in a fit (or unfit) physical state.  - on condition that
 with the stipulation that. 
   
  Etymology
  ME: from OFr. condicion (n.), condicionner (v.), from L. condicio(n-) ‘agreement’, from condicere ‘agree upon’, from con- ‘with’ + dicere ‘say’.