IPA: /ˈnoʊtˌwɜrθiˌnəs/
KK: /ˈnoʊtˌwɜrθiˌnəs/
The quality of being worthy of attention or notice; significance.
The noteworthiness of her achievements was recognized at the award ceremony.
Noteworthiness → It is formed from "note" (from Latin *nota*, meaning a mark or sign) and "-worthy" (from Old English *wyrðe*, meaning worthy or deserving) and the suffix "-ness" (meaning the state or quality of). The word "noteworthiness" refers to the quality of being worthy of note or attention.
Think of a 'mark' or 'sign' ('note') that is 'worthy' ('-worthy') of attention, which helps you remember that 'noteworthiness' means the quality of being notable.