Surah Al-Hijr 15:46
ٱدْخُلُوهَا بِسَلَـٰمٍ ءَامِنِينَ
[Having been told], "Enter it in peace, safe [and secure]."
Translation: Saheeh International
Tafsir
And it shall be said to them ‘Enter them in peace that is safe from all danger — or it means enter with the greeting of ‘Peace!’ in other words say ‘Peace’ and then enter secure!’ from all terror.
Excerpt from Tafsir al-Jalalayn, commentary on 15:46, via Quran.com. The reader has the full commentary and 9 more tafsirs.