7 names of Har Sinai

Har Sinai is a mountain of many names, each one revealing a different light as to what transpired as a result of the Torah being given on it.  The Medrash Rabba in Shmos (2) lists five names and there meaning while the Medrash in Bamidbar (1) lists six.  All together there are seven unique names.
(source: Revach List)

Har HaElokim	There Bnei Yisroel accepted Hashem
Har Bashan	As in "B'Shein".  Any food a person eats is in the zechus of the Torah.
Har Gavnunim	Clean from blemishes like cheese (Another reason why we eat milchigs on Shavuos)
Har Chorev	From Har Sinai the Sanhedrin received a mandate to kill people with a sword
Har Sinai	Sinah or hatred came on the other nations for not accepting the Torah
Har Chemed	Hashem desired to to rest there
Har Moriah	Where Hashem judged (Moreh)