In frum circles, especially among Hassidim, eighteen is the age when shidduchim start and shadchanim take notice.Those who support marriage by shidduch believe that it complies with traditional Judaism's outlook on Tzeniut, modest behaviour in relations between men and women, and prevents promiscuity.Bashert (or Beshert), (Yiddish: It is often used to refer to one's divinely foreordained spouse or soulmate, who is called one's "basherte" (female) or "basherter" (male).It can also be used to express the seeming fate or destiny of an auspicious or important event, friendship, or happening.Usually a professional matchmaker is called a shadchan, but anyone who makes a shidduch is considered the shadchan for it.After the match has been proposed, the prospective partners meet a number of times to gain a sense of whether they are right for one another.
Some engage in it as a profession and charge a fee for their services.
Usually as the couple see more of each other the shadchan backs away and lets the couple manage it themselves.
It's expected that the couple keep the shadchan up-to-date on how the shidduch is going at regular intervals.
However, when Eliezer proposes to take Rebekah back to Isaac in Canaan, he is told by Rebekah's family: "Let us ask the maiden" (i.e., Rebekah).
This is taken as an instruction for Jewish parents to weigh their child's opinion in the balance during an arranged marriage.