As-Salam is the one whose essence is free from imperfection, His attributes from any trace of deficiency and His actions from evil. Since this is the case, there is no perfect, unimpaired state of being in existence except that which is ascribed to and emanates from Him.
The meaning of As-Salam, one of the 99 names of Allah (swt) with meaning by Imam Ghazali. Taken from Al-Maqsad al-Asna. Download the photo with the name and meaning.