The first pillar of Islam is an affirmation of faith(noun)
WordNet. Princeton University. 2010.
Use "shahadah" in a sentence
"For example, of the five pillars of Islam, only the first, the shahadah, is more belief-oriented than a practice like the other four."
"On the walls there were colorful paintings of old Baghdad streets, with their overhanging balconies; pastel paintings of mosques; a drawing of the Grand Mosque in Mecca, inscribed with the shahadah, the Muslim profession of faith; a watercolor of the family tree of the Prophet Muhammad, in reds and blues; and the ninety-nine names of God printed in Arabic calligraphy."
"So if Obama was registered at the public school as a Muslim, and took the religious instruction for Muslims, then he must have recited the shahadah."