Wordnet 3.0
NOUN (2)
1. 
 the act of adjusting again (to changed circumstances); 
2. 
 the act of adjusting something to match a standard; 
[syn: adjustment, registration, readjustment]
The Collaborative International Dictionary of English v.0.48:
Readjustment \Re`ad*just"ment\ (r[=e]`[a^]d*j[u^]st"ment), n.
   A second adjustment; a new or different adjustment.
   [1913 Webster]
WordNet (r) 3.0 (2006):
readjustment
    n 1: the act of adjusting again (to changed circumstances)
    2: the act of adjusting something to match a standard [syn:
       adjustment, registration, readjustment]