Wordnet 3.0
NOUN (3)
1. 
 the prevailing context that influences the performance or the outcome of a process; 
- Example: "there were wide variations in the conditions of observation"2. 
 the set of circumstances that affect someone's welfare; 
- Example: "hazardous working conditions"- Example: "harsh living conditions"3. 
 the atmospheric conditions that comprise the state of the atmosphere in terms of temperature and wind and clouds and precipitation; 
- Example: "they were hoping for good weather"- Example: "every day we have weather conditions and yesterday was no exception"- Example: "the conditions were too rainy for playing in the snow"[syn: weather, weather condition, conditions, atmospheric condition]
WordNet (r) 3.0 (2006):
conditions
    n 1: the prevailing context that influences the performance or
         the outcome of a process; "there were wide variations in
         the conditions of observation"
    2: the set of circumstances that affect someone's welfare;
       "hazardous working conditions"; "harsh living conditions"
    3: the atmospheric conditions that comprise the state of the
       atmosphere in terms of temperature and wind and clouds and
       precipitation; "they were hoping for good weather"; "every
       day we have weather conditions and yesterday was no
       exception"; "the conditions were too rainy for playing in the
       snow" [syn: weather, weather condition, conditions,
       atmospheric condition]