the GNU version of the Collaborative International Dictionary of English
adj. Coincident.
The Century Dictionary and Cyclopedia
Pertaining to, characterized by, or of the nature of coincidence or a coincidence; happening at or about the same time as another event to which it is in some notable way related.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. occurring or operating at the same time
Word Usage
"While it seems to be coincidental, the German word for 'Song' would be 'Lied', which actually is neuter."