Spoke falsely (4)
I believe the answer is:
lied
'spoke falsely' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for lied that I've seen before include "German Romantic song" , "Art song - told porkies" , "Told an untruth" , "conveyed a false impression" , "Was economical with the truth" .)