A notation on Psalm 74:8 - the Hebrew idea behind the word "mow`ed" means that it was an appointed place or time of meeting, and oftentimes (over 250 times) was in reference to a sacred time of meeting (including some of the appointed feats, and sabbath times). Its is used of the community of God's people gathering themselves as a "sacred congregation" over 150 times through the OT, which is its basic usage.
The problem the Psalmist raises is that there was an encoruagement of destroying God's people, but that the assemblies they had together would also be destroyed and suppressed.
In the NT, the derrivative of this word which is the Greek equivalent of the idea enhoused in the OT word, is used 23 times.
Some examples:
23 And Jesus went about all Galilee, teaching in their synagogues, and preaching the gospel of the kingdom, and healing all manner of sickness and all manner of disease among the people.
KJV Matthew 6:2 Therefore when thou doest thine alms, do not sound a trumpet before thee, as the hypocrites do in the synagogues and in the streets, that they may have glory of men. Verily I say unto you, They have their reward.
5 And when thou prayest, thou shalt not be as the hypocrites are: for they love to pray standing in the synagogues and in the corners of the streets, that they may be seen of men. Verily I say unto you, They have their reward.
KJV Matthew 9:35 And Jesus went about all the cities and villages, teaching in their synagogues, and preaching the gospel of the kingdom, and healing every sickness and every disease among the people.
KJV Matthew 10:17 But beware of men: for they will deliver you up to the councils, and they will scourge you in their synagogues;
KJV Matthew 23:6 And love the uppermost rooms at feasts, and the chief seats in the synagogues,
34 Wherefore, behold, I send unto you prophets, and wise men, and scribes: and some of them ye shall kill and crucify; and some of them shall ye scourge in your synagogues, and persecute them from city to city:
KJV Mark 1:39 And he preached in their synagogues throughout all Galilee, and cast out devils.
KJV Mark 12:39 And the chief seats in the synagogues, and the uppermost rooms at feasts:
KJV Mark 13:9 But take heed to yourselves: for they shall deliver you up to councils; and in the synagogues ye shall be beaten: and ye shall be brought before rulers and kings for my sake, for a testimony against them.
KJV Luke 4:15 And he taught in their synagogues, being glorified of all...44 And he preached in the synagogues of Galilee.
KJV Luke 11:43 Woe unto you, Pharisees! for ye love the uppermost seats in the synagogues, and greetings in the markets.
KJV Luke 12:11 And when they bring you unto the synagogues, and unto magistrates, and powers, take ye no thought how or what thing ye shall answer, or what ye shall say:
KJV Luke 13:10 And he was teaching in one of the synagogues on the sabbath.
KJV Luke 20:46 Beware of the scribes, which desire to walk in long robes, and love greetings in the markets, and the highest seats in the synagogues, and the chief rooms at feasts;
KJV Luke 21:12 But before all these, they shall lay their hands on you, and persecute you, delivering you up to the synagogues, and into prisons, being brought before kings and rulers for my name's sake.
KJV John 16:2 They shall put you out of the synagogues: yea, the time cometh, that whosoever killeth you will think that he doeth God service.
KJV Acts 9:2 And desired of him letters to Damascus to the synagogues, that if he found any of this way, whether they were men or women, he might bring them bound unto Jerusalem...20 And straightway he preached Christ in the synagogues, that he is the Son of God.
KJV Acts 13:5 And when they were at Salamis, they preached the word of God in the synagogues of the Jews: and they had also John to their minister.
KJV Acts 15:21 For Moses of old time hath in every city them that preach him, being read in the synagogues every sabbath day.
KJV Acts 24:12 And they neither found me in the temple disputing with any man, neither raising up the people, neither in the synagogues, nor in the city:
It is an actually interesting idea that the community of God's called out ones is the basis for "gathering" or "synagoging" together to pray, sing, hear the Scriptures read, and have them commented. I would contest that the sunagogue was a reflection of the temple, and not aside or instead of the temple, since all the elements of temple worship are CRITICAL to our worship today - i.e. a high priest, atonement, sacrifice, sacramentaology, etc. The Temple's destruction was not a removal of the temple, but a transferrence of the realities completed in Jesus Christ that still continue for God's elect people, if I might say - the "synagoging ones", or those who "synagogue together, as the Aposlte James states.