He whose being endures unchangingly. He whose promises and words are true.
“Therefore exalted be Allah, the King, THE REAL- ITY; there is no god but He, the Lord of the Throne of Honour!”
(23:116) The Holy Quran
“That is because ALLAH IS THE (ONLY) REAL- ITY, and because whatever else they invoke besides Him is Falsehood; and because Allah, He is the Most High, Most Great.”
(31:30) The Holy Quran
From the root h-q-q with the classical Arabic connotations: to be suitable for wisdom, justice, truth or fact to be true, right, correct, just, to be genuine, to happen without doubt.