Meaning of WITHOUT DOUBT

WordNet Dictionary
	Definition:		[adv]  reinforces an assertion, as in"It's expensive all right" [adv]  with certainty; "it's undoubtedly very beautiful" [adv]  admittedly; "to be sure, he is no Einstein"
	Synonyms:		all right, alright, beyond any doubt, beyond question, doubtless, no doubt, to be sure, undoubtedly