What is the meaning of علي?

to be exalted, high

to excel, to stand out

high, tall

exalted, lofty, excellent

a male given name, Ali

ʿAlī ibn Abī Ṭālib, the son-in-law of the Islamic prophet Muhammad through Ali's marriage to the Islamic prophet's daughter, Fāṭimah al-Zahrāʾ, recognized as the Islamic prophet's fourth rightly-guided successor in most of Sunni Islam and as the Islamic prophet's first legitimate successor in Shia Islam

verbal noun of عَلَى (ʕalā) 

third-person masculine singular past passive of عَلَا (ʕalā)

third-person masculine singular past passive of عَلَى (ʕalā, to climb)

to rise, to be risen

to be exalted, high

on me

a male given name

second-person masculine singular active imperative of عَلَّى (ʕalla)

to rise (the volume, one's voice, etc.)

Source: wiktionary.org