Shavua Tov (שבוע טוב) means "good week". It's also used as a Saturday greeting meaning "have a good week"Essentially it means "good week".
סוף-שבוע טוב.
Those two words, literally translated from Hebrew, would mean "good, thanks".
Chodesh Tov means "have a good month" and is the traditional greeting used on Rosh Chodesh.
The best thing is to say "mazal tov", spelled:!מזל טוב
G'mar Tove means to "finish well". It is a greeting for Yom Kippur.
The appropriate way to respond to the greeting "Assalamualaikum" is by saying "Waalaikumassalam," which means "and peace be upon you too" in Arabic.
We're going to assume that you mean "Shavuah Tov" ("sha-VOO-ah TOV") and you just mis-typed it. The phrase means "good week". It's the wish/greeting exchanged in Hebrew on Saturday night, when the Sabbath ends and the new week begins.
One should respond to the greeting "Salam alaikum" with "Wa alaikum assalam," which means "And peace be upon you too" in Arabic.
The translation of "good day" is problematic in Hebrew. Literally, it is יום טוב (yom tov); however yom tov is an expression that refers to a category of Jewish holidays. There are 5 holidays on the Jewish calendar that are called yom tov: Rosh Hashanah, Yom Kippur, Sukkot, Passover, and Shavu'ot. If you are looking for a casual greeting, it might be better to say "nice day", which is yom nechmad (יום × ×—×ž×“), or "beautiful day", which is yom yafeh (יום יפה).
One should respond to the greeting "Assalamualaikum" with "Waalaikumassalam," which means "and peace be upon you." This is a common greeting in the Islamic faith, showing respect and goodwill towards the person who greeted you.
Siman tov u'mazal tov v'siman tov u'mazal tov, siman tov u'mazal tov v'siman tov u'mazal tov, siman tov u'mazal tov v'siman tov u'mazal tov, y'hey lanu. Y'hey lanu, y'hey lanu, u'l'khol Yis'ra'iel, y'hey lanu, y'hey lanu, u'l'khol Yis'ra'iel, y'hey lanu, y'hey lanu, u'l'khol Yis'ra'iel, y'hey lanu, y'hey lanu, u'l'khol Yis'ra'iel.