Anagrams of: MONOPTERON

• contribute to the progress or growth of

• give a promotion to or assign to a higher position

• make publicity for; try to sell (a product)

• be changed for a superior chess or checker piece

• change a pawn for a better piece by advancing it to the eighth row, or change a checker piece for a more valuable piece by moving it to the row closest to your opponent

• of a sequence or function; consistently increasing and never decreasing or consistently decreasing and never increasing in value

• an unchanging intonation

• a single tone repeated with different words or different rhythms (especially in rendering liturgical texts)

• sounded or spoken in a tone unvarying in pitch

• a worker in an inn or public house who serves customers and does various chores

• (music) the speed at which a composition is to be played

• the rate of some repeating event

• a message issued in behalf of some product or cause or idea or person or institution

• (nautical) a floating structure (as a flat-bottomed boat) that serves as a dock or to support a bridge

• a float supporting a seaplane