(manner) In a noticeable way. / (degree) To a detectable degree, sufficient to be noticed. / (modal) In truth and observably.

Someone who notices

plural of noticer

Informed or warned about something.

The quality of being noticeable.

plural of noticeability

Misspelling of noticeable.

(chiefly uncountable) The act of observing; perception. / (countable) A written or printed announcement. / (countable) A formal notification or warning.

present participle and gerund of notice

The act by which something is noticed.