betroth
The early Jewish ceremonies apparently included three components: the betrothal, the wedding, and the consummation.
The family was delighted at their betrothal.
After six months' betrothal, plans for the wedding are moving ahead.

SMART Vocabulary: related words and phrases

Weddings
altar
always a bridesmaid, never the brideidiom
arranged marriage
attendant
bachelor party
dower
dowry
elope
elopement
flower girl
officiant
plight
pop the questionidiom
postnuptial
prenuptial
wedding bells
wedding breakfast
wedding dress
wedding gown
wedding night