1
                           Law:: 
                            establish the validity (of sth)  < ‘avoidance’ is destroying the effect of a written instrument, or of any dispositions therein  by … establishing its invalidity in a court of justice – JBS>   vitiate  (See alsoباطل كردن)
                        
                        
 
                        
                            فرهنگ تشریحی - کاربردی حقوق تالیف هرمز رشدیه