noticeably
adverb
Definitions
(manner) In a noticeable way.
Example: We all saw it: he paled noticeably.
(degree) To a detectable degree, sufficient to be noticed.
Example: It suddenly became noticeably cooler when the sun went behind a cloud.
(modal) In truth and observably.
Example: Noticeably, what had been merely annoying to her was becoming infuriating.