I

Idealism = God is the perfect Ideal and the ultimate source of all value systems. See The Ideal. 
Immanuel = "God With Us," this Name is feared, for invoking it causes a minor Theophany to appear (a physical manifestation of God, usually a bright blast of flame, thunder, and power).
Immortal = See the Immortal. 
Infinite Bandwidth = See Infinite Bandwidth. 
Infinite Progression = See Infinite Progression. 
Infinity = This Name and many of its derivatives (Infinite-One, One-Above-All, Infinity-Itself, etc.) will grant access to the Lords of Infinity Degrees. Including the full ability to Translate from dimension to dimension, exploring the Omniverse. It will also grant the Adept resistance to Translation Errors. 
Infinity's Paradox = No matter how great something may appear, for Infinity to truly be all things there must be something greater than it. For Infinity to be Infinity, there must be an infinite number of things within Infinity greater than Infinity. ??? 
Invincible = See The Invincible. 
Invocation = The art of reaching out to God for help or communication. It is also the signature ability of the entire Order of Infinity. 
ISIS = See ISIS. 
Islam = Those who submit to Allah, the religion of Islam was founded by Muhammed in 7th century Arabia and holds to the Quran and 5 Pillars of Islam. For more info, see Islam (external link).
Isle Of Destiny = See Isle Of Destiny.
Israel = The Holy Land, the inheritance of Abraham, is said to be the center of the world both historically as well as geographically. For more info see Israel.
Israel Antiquities Authority = The sale of antiquities related to the Holy Land is a matter of importance to the Infinite Order. They have a presence within the IAA, and you can learn more about them yourself by clicking this Link here.