verb. The definition of appreciate is to know and accept the value of something. To admire the work of Picasso is an example of appreciate. Appreciate is defined as being grateful to someone.
Sana /sana/ [2 sylls.] as a girls' name is pronounced sa-NAH. It is of Arabic and Hindi origin, and the meaning of Sana is  brilliant; praise .ana is a somewhat popular first name for females (#4113 out of 4276, Top 96%) and an even more popular surname for both adults and children (#51458 out of 150436, Top 34%). (2000 U.S. Census).
Sana'a is the capital of Yemen, located in the Yemeni Mountains and generally the first destination for travellers to that country. See the Stay Safe section of this article and the Yemen country page for important safety advice.