Meaning of CONFIRMATION in English

CONFIRMATION

/ ˌkɒnfəˈmeɪʃn; NAmE ˌkɑːnfərˈm-/ noun [ U , C ]

1.

a statement, letter, etc. that shows that sth is true, correct or definite :

I'm still waiting for confirmation of the test results.

2.

a ceremony at which a person becomes a full member of the Christian Church

3.

a Jewish ceremony similar to a bar mitzvah or bat mitzvah but usually for young people over the age of 16

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WORD ORIGIN

Middle English : via Old French from Latin confirmatio(n-) , from confirmare make firm, establish from con- together + firmare strengthen.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.