ٱلْرَّحْمَـانُ

From the root ra-ha-mim (ر ح م), which has the following classical Arabic connotations: to have tenderness, gentleness, kindness, to love, to have mercy, to have pity, to show favor and goodness.

He who wills Goodness and Mercy for all His creatures

Allah is Ar-Rahmaan (in arabic: ٱلْرَّحْمَـانُ). He is the One who blesses all His creation with prosperity and devoid from disparity. He is most merciful, kind, and loving towards all creation. His Rahma is all inclusive and embraces all.

بِسْمِ اللهِ الرَحْمَنِ الرَّحِيْمِ

قُلِ ٱدۡعُواْ ٱللَّهَ أَوِ ٱدۡعُواْ ٱلرَّحۡمَٰنَۖ أَيّٗا مَّا تَدۡعُواْ فَلَهُ ٱلۡأَسۡمَآءُ ٱلۡحُسۡنَىٰۚ

“Say, “Call upon Allah or call upon the Most Merciful. Whichever [name] you call – to Him belong the best names.” Quran 17:110.

Reference: MyIslam.org