the GNU version of the Collaborative International Dictionary of English
v. To assert again or anew; to maintain after an omission to do so.
The Century Dictionary and Cyclopedia
To assert again; proclaim or manifest anew.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
v. strengthen or make more firm
Word Usage
"Iraq to disrupt the March 7 election and said it was trying to "reassert" itself as political parties negotiate the formation of the next government, which probably will take months."