“clearly”

In a way that is obvious and undeniable to any observer.

“She was manifestly unprepared for the questions the board threw at her.”

Best for: Works well in formal writing, legal or academic contexts where emphasis on evidence matters.

So plainly true that no argument could reasonably contest it.

“His excuse was patently absurd, and the room knew it instantly.”

Best for: Great for punchy, slightly indignant prose; common in journalism and opinion writing.

In a manner that is expressed or understood with crystal clarity.

“She perspicuously laid out the argument so that even skeptics could not misread her intent.”

Best for: Best suited to philosophical or rhetorical writing where precision of thought is celebrated.

In a way plainly shown by available evidence or visible signs.

“He had evidently been crying, though he smiled when she entered the room.”

Best for: Slightly more elegant than 'clearly'; fits narrative prose and observational writing well.

With translucent, effortless clarity, as if nothing obscures the meaning.

“The professor pellucidly explained a concept that had baffled students for decades.”

Best for: A literary gem for essays and prose where you want clarity itself to feel beautiful.

In a manner so certain that it cannot be disputed or challenged.

“The data incontrovertibly pointed to one suspect and one suspect alone.”

Best for: Ideal for persuasive or investigative writing where finality and conviction are paramount.