good luck!!!

It implies previous consideration of a judicial or learned question, or a matter causing doubt, debate or controvesy.
It's supposed to be given by someone knowledgable in the field of the matter in question.

From a root f-t-y that means "youth, adolescent", possibly because the causative form IV means "to make young." It is a finding about the proper action to take in circumstances not explicitly dealt with by the Qu'ran Sunna and Hadith (the records of the Prophet's sayings and the huge corpus of prior scholarly interpretations of them). Thus, it is a making of new law, a way of legislating on unforeseen cases in a manner consistent with tradition.