Imbolc
Pagan sabbat celebrated on Feb. 2. [For more information see http://www.spiritonline.com/wicca/3.html]
Incantation; Incant
The spoken part of a spell.
Initiate
A person who has undergone the rite of entry into a coven, circle, or other organization.
Initiation
Admission ceremony for an intiate to gain entry into a coven or circle. Generally in the form of a ritual with an oath of secrecy.
Invocation
The bringing of a divine power from the exterior into a ritual or magickal working through chant or prayer. An invocation is generally an acknowledgement of the deity and a request that they be present for the working.
Inward Silence
The silencing of the emotions and thoughts that disturb the effectiveness of a ritual.