Learner's definition of ACTUALITY
1 [noncount] : the quality or state of being actual or real 2 [count] : something that is actual or real
: in truth — used to stress that something is true when it is different from what was believed or expected
He gave me what turned out to be, in actuality [=in reality, in fact], only a copy of the original.
I thought they just arrived, but in actuality they'd been here for an hour.