engaged (a)
/ɪnˈɡeɪdʒd/

having formally agreed to marry

divorce (v)
/dɪˈvɔːrs/

to end your marriage by an official or legal process

arrange (v)
/əˈreɪndʒ/

to plan, prepare for, or organize something

ask (v)
/æsk/

to speak or write to someone saying that you want them to do something

propose (v)
/prəˈpəʊz/ 

to ask someone to marry you

photograph (n)
/ˈfoʊt̮əˌɡræf/

a picture that is made by using a camera

invitation card (noun phrase)
/ˌɪnvəˈteɪʃn kɑrd/

a piece of paper that people send to the one they want to invite to a party or an event

wedding dress (n)
/ˈwed.ɪŋ dres/

a dress that a woman wears at her wedding, especially a long white one

wedding list (n)
//ˈwed.ɪŋ lɪst//

a list of all the things that two people who are soon to be married would like to receive as presents, often kept at a particular shop

wedding guest (noun phrase)
/ˈwed.ɪŋ ɡest/

a guest at a wedding

best man (n)
/best mæn/

the principal groomsman at a wedding

wedding present (noun phrase)
/ˈwed.ɪŋ ˈprez.ənt/

a present given to someone getting married

honeymoon (n)
/ˈhʌn.i.muːn/

a holiday taken by a couple immediately after their marriage

church (n)
/tʃɝːtʃ/

a place for public (especially Christian) worship

vow (n)
/vaʊ/

a formal and serious promise, especially a religious one, to do something

couple (n)
/ˈkʌp.l̩/

two people who are married or in a romantic or sexual relationship

silver wedding (n)
/ˈsɪl.və ˈwed.ɪŋ/

the 25th wedding anniversary

golden wedding (n)
/ˈɡoʊl.dən ˈwed.ɪŋ/

the 50th wedding anniversary

ex-wife (n)
/ˌeksˈwaɪf/

a woman who was formerly a particular man's wife

ex-husband (n)
/ˌeksˈhʌz.bənd/

a man who was formerly a certain woman's husband