clearly -- (without doubt or question; "they were clearly lost"; "history has clearly shown the folly of that policy")
intelligibly, clearly, understandably -- (in an intelligible manner; "the foreigner spoke to us quite intelligibly")
distinctly, clearly -- (clear to the mind; with distinct mental discernment; "it's distinctly possible"; "I could clearly see myself in his situation")
clearly, clear -- (in an easily perceptible manner; "could be seen clearly under the microscope"; "She cried loud and clear")