ISLAM
Islam, Islamism, Mohammedanism, Muhammadanism, Muslimism
(noun) the monotheistic religious system of Muslims founded in Arabia in the 7th century and based on the teachings of Muhammad as laid down in the Koran; āIslam is a complete way of life, not a Sunday religionā; āthe term Muhammadanism is offensive to Muslims who believe that Allah, not Muhammad, founded their religionā
Islam, Muslimism
(noun) the civilization of Muslims collectively which is governed by the Muslim religion; āIslam is predominant in northern Africa, the Middle East, Pakistan, and Indonesiaā
Source: WordNet® 3.1
Is"lam, n. Etym: [Ar. islam obedience to the will of God, submission,
humbling one's self, resigning one's self to the divine disposal. Cf.
Moslem.]
1. The religion of the Mohammedans; Mohammedanism; Islamism. Their
formula of faith is: There is no God but Allah, and Mohammed is his
prophet.
2. The whole body of Mohammedans, or the countries which they occupy.
Source: Webster’s Unabridged Dictionary 1913 Edition