Definition of "notable"

[...] how sayest thou, that my master is become a notable lover?

c. 1590–1591 (date written), William Shakespeare, “The Two Gentlemen of Verona”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, (please specify the act number in uppercase Roman numerals, and the scene number in lowercase Roman numerals)

A notable lubber, as thou reportest him to be.

1623, William Shakespeare, Two Gentlemen of Verona

Dyslexia is most notable in children who are unable to focus on their assignments.

1989, Stanton Peele, Diseasing of America

Another most notable change concerns rolling stock liveries. Back then, corporate Rail Blue was omnipresent, whereas now there is a kaleidoscope of colours and styles.

2020 June 17, David Clough, “Then and now: trains through Crewe”, in Rail, page 60

During his residence abroad, his concerns at home were managed by his mother Hester, an active and notable woman.

c. 1793, Edward Gibbon, Memoirs, Penguin, published 1990, page 48

Hester looked busy and notable with her gown pinned up behind her, and her hair all tucked away under a clean linen cap; […]

1863, Elizabeth Cleghorn Gaskell, Sylvia's lovers

Your honourable Uncle Sir Robert Manſell, who is now in the Mediterranean, hath been very notable to me, and I ſhall ever acknowledge a good part of my education from him.

1618 March 15 (Gregorian calendar), James Howell, “V. To Dr. Fr. Mansell, at All-Souls in Oxford.”, in Epistolæ Ho-Elianæ. Familiar Letters Domestic and Forren. […], 3rd edition, volume I, London: […] Humphrey Mos[e]ley, […], published 1655, section II, page 68

What we ought to have, in my opinion, is a meeting of notables—men whose names will be of weight with the country and who can be depended upon to agree to an independent course.

July 16 1875, Carl Schurz, letter to W. M. Grosvenor