acknowledge, admit - declare to be true or admit the existence or reality or truth of; "He admitted his errors"; "She acknowledged that she might have forgotten"

indite, pen, write, compose - produce a literary work; "She composed a poem"; "He wrote four novels"

strike down, cancel - declare null and void; make ineffective; "Cancel the election results"; "strike down a law"

depreciate - lower the value of something; "The Fed depreciated the dollar once again"