confirmation
    /ˌkɑːnfɚˈmeɪʃən/ 
    
 
    
    noun
    
    plural -tions
    
    [noncount] :proof which shows that something is true or correct
    
    
    
    
    
    
    
    
    
    
    
    a response which shows that information is received and understood especially;  :a response that makes a purchase, appointment, etc., definite or official [count]
    
    
    
    
    
    
    
    [noncount] :the act of giving official approval to something or someone
    
    
    
    
    
    
    
    a ceremony in which someone becomes a full, adult member of a religion [noncount]