plausibly

This adverb describes a claim or explanation that seems reasonable or probable, though it does not guarantee that the statement is actually true. It focuses on the appearance of truth and the logical consistency of an argument rather than empirical proof. In legal or investigative contexts, it suggests a threshold of credibility that justifies further consideration.

Using this word often implies a subtle degree of skepticism. While "credibly" suggests a high level of trust, "plausibly" indicates that while a scenario is possible and makes sense on the surface, it remains an unproven hypothesis. It is typically used in formal or analytical registers to evaluate the validity of a theory or excuse.