sure

Entry Definition
of course, for sure, certainly, assuredly
of course, sure enough
s/he is sure of h/; s/he can count on h/
it is certain, sure; it is assumed to be true
s/he is convinced of it, certain of it; s/he assumes it to be true
as if, seemingly; I'm not sure
(baseball) s/he is good hitter, is sure hitter