possibly
adv. sent.adv. used to say that something might be true or might happen, but you are not 100% sure. It is a common way to talk about chances or options.
adv. used to indicate that something is feasible or likely to occur, though not certain. Often functions as a hedge to soften a statement or request.
I will possibly go to the party tonight.
The flight is delayed, so we will possibly arrive after the hotel check-in closes.
While the initial results are promising, the team will possibly need to conduct further trials to confirm the long-term safety of the new treatment.
From possible + -ly.
As a sentence adverb, it often appears after the first auxiliary verb or at the beginning of a response.
It is possibly that he forgot.It is possible that he forgot.Learners often use the adverb 'possibly' where the adjective 'possible' is required after the verb 'to be'.