ellipsis (noun) - the omission of words that would complete or clarify a thought; alternately, an omission intended to avoid needless repetition [ih-lip-sis]
BREAKDOWN: E- (out) + LIP- (to leave) + -SIS (action)
an ellipsis is a punctuation mark (...) used to indicate that something has been left out
See also: eclipse
"I am attracted to ellipsis, to the unsaid, to suggestion, to eloquent, deliberate silence. The unsaid, for me, exerts great power... It is analogous to the unseen." —Louise Glück
I like this word for a lot of reasons. But one association I have is teaching it in a classroom, and students more often than not think that it means to stop speech.