note

[1]	notice , observe , mention , observe , perceive , remark , see , mark , think about , give thought to , consider , contemplate , study , pay attention to , attend to , look into , investigate , check out
[2]	record , notice , mark , register , write down , put/set down , put on record , jot down , put in writing , chronicle
[3]	call attention to , take note , observe , remark on/about , mention , report , touch on , comment on/about
[4]	take down

[1]	message , letter , communication , (piece of) correspondence , memorandum , epistle , postcard/(postal) card , fan letter , love-letter , billet doux , bread-and-butter letter , word , line , thank-you note , (Colloq) memo , (US) (Old-fashioned) mash note
[2]	comment , short letter , line , commentary , remark , billet , observation , explanation , annotation , footnote , side-note , gloss , critique , criticism , (Literary) scholium , exegesis , eisegesis , (Technical) shoulder-note
[3]	banknote , musical note , tone , money , bill , currency , treasury note , promissory note , demand note , bill of exchange , letter of credit , (bank) draft , note of hand , (Colloq) folding money
[4]	theme , characteristic , motif , element , quality , mood , tone , tenor
[5]	signal , cue , intimation , hint , inkling , suspicion , clue , suggestion , idea , tip , (Slang) tip-off
[6]	heed , bill , government note , attention , notice , bank bill , banker's bill , regard , respect , bank note , banknote , thought , (Colloq) (US) mind , Federal Reserve note , greenback
[7]	annotation , mark , consequence , notation , substance , importance , moment , weight , distinction , merit , prestige , (high) rank/standing , eminence , prominence , repute , reputation , renown
[8]	tone , eminence , distinction , sound , key , preeminence
[9]	promissory note , notes , jottings , note of hand , impressions , record(s) , report , (thumbnail) sketch , (rough) draft , outline , synopsis