‘ASHARAH MUBASHSHARAH عشرة مبشرة
“The ten who received glad tidings.” Ten of the most distinguished of Muhammad’s. followers, whose certain entrance into Paradise he is said to have foretold. They are Abu Bakr,’ ‘Umar, Usman, ‘Ali, Talhah, az-Zubair’.Abdu ‘r-Rahman, Sa’d-ibn- Abu-Waqqas, Sa’id ibn Zaid, Abu ‘Ubaidah ibn al-Jarrih. (Mishkat, book xxiv. c. xx., part ii.) Muhammad declared it presumption for anyone to count upon an entrance into heaven with absolute certainty, but he made an exception in favour of these ten distinguished persons.
Based on Hughes, Dictionary of Islam