Presumably
Definition 1 of 1
Pro Tip 1/3
Context Clues
Use surrounding words to determine if 'presumably' fits, as it implies uncertainty. She's not answering her phone, presumably she's still asleep.
Pro Tip 2/3
Not a Guarantee
'Presumably' does not mean something is certain, just that it's a reasonable guess. Presumably, the meeting will end before lunch.
Pro Tip 3/3
Suggests Bias
Using 'presumably' could reveal your expectations or bias about the situation. He's late again, presumably because he doesn't care.