engaging with Russian operatives during the 2016 election...among numerous other interactions...all unreported to the FBI.
You either don't understand what lying means, or you don't care and throw the term around whenever you feel the need.
You also either fail to read explanatory information like the "Lawfare" article, or you can't comprehend what it is telling you...the Steele Dossier was not (ever) a statement of FACTS, but rather hearsay information from established sources, all pointing to Russia trying to aid the Trump campaign...and...the Trump campaign willingly accepting that assistance.