Ignore

1. v. t. Hence: To refuse to take notice of; to shut the eyes to; not to recognize; to disregard willfully and causelessly; as, to ignore certain facts; to ignore the presence of an objectionable person.
2. v. t. To be ignorant of or not acquainted with.
3. v. t. To throw out or reject as false or ungrounded; — said of a bill rejected by a grand jury for want of evidence. See Ignoramus.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.