Notable, of Note - Vine's Expository Dictionary of New Testament Words

Notable, of Note

[ 1,,G1110, gnostos ]
an adjective, signifying known" (from ginosko, "to know"), is used
(a) as an adjective, most usually translated "known," whether of facts, e.g., Acts 1:19; Acts 2:14; Acts 4:10; or persons, John 18:15-John 18:16; it denotes "notable" in Acts 4:16, of a miracle;
(b) as a noun, "acquaintance," Luke 2:44; Luke 23:49. See ACQUAINTANCE, KNOWN.

[ 2,,G1978, episemos ]
primarily meant "bearing a mark," e.g., of money, "stamped, coined," (from epi, "upon," and sema, "a mark, a sign;" cp. semaino, "to give a sign, signify, indicate," and semeioo, "to note;" See below); it is used in the NT, metaphorically,
(a) in a good sense, Romans 16:7, "of note, illustrious," said of Andronicus and Junias;
(b) in a bad sense, Matthew 27:16, "notable," of the prisoner Barabbas. In the Sept., Genesis 30:42; Esther 5:4; Esther 8:13, toward the end of the verse, "a distinct (day)".

[ 3,,G2016, epiphanes ]
"illustrious, renowned, notable" (akin to epiphaino, "to show forth, appear;" Eng., "epiphany"), is translated "notable" in Acts 2:20, of the great Day of the Lord. The appropriateness of this word (compared with Nos. 1 and 2) to that future occasion is obvious.

Vine's Expository Dictionary of New Testament Words