The word(s) "commemoration" appears 2 time(s) in 2 verse(s) in Quran in Abdullah Yusuf Ali translation.

(1) So We listened to him: We removed the distress that was on him, and We restored his people to him, and doubled their number,- as a Grace from Ourselves, and a thing for commemoration, for all who serve Us.

(سورة الأنبياء, Al-Anbiyaa, Chapter #21, Verse #84)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(2) And We gave him (back) his people, and doubled their number,- as a Grace from Ourselves, and a thing for commemoration, for all who have Understanding.

(سورة ص, Saad, Chapter #38, Verse #43)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)