Adverb
in a convincing manner; in a manner to compel assent.
Source: Webster's dictionaryOptimistic lies have such immense therapeutic value that a doctor who cannot tell them convincingly has mistaken his profession. George Bernard Shaw
Anyone who can handle a needle convincingly can make us see a thread which is not there. Ernst Gombrich
I'm just a propagandist and a propagandist doesn't have to know what he is talking about, just so he talks about it most convincingly. Clifford D. Simak
Any thought that is passed on to the subconscious often enough and convincingly enough is finally accepted. Robert Collier
The school was nothing but reminiscence - of an Italian hill town, a French abbey, an English academy, the different sources improbably but convincingly melded into a fantasy about the classic sites of Europe as imagined by exiles from cold peripheral lands, nostalgia about somebody else's past. Edmund White
It is a principle of diplomacy that one must know something of the truth in order to lie convincingly. Tom Clancy