unforgettably
1. [ adverb ] in a memorable manner
Synonyms: memorably
Examples:

"Horowitz could play Chopin memorably"

Related terms: unmemorably memorable unforgettable unforgettable
Similar spelling:   unforgettable
  unforgivably
  unforgivable
  unportable
  unforfeitable
  unforeseeable
  unforgivingly
  unforgiving