Japanese edit

For pronunciation and definitions of まつたう – see the following entry.
まっとう
[adverb] (archaic) 全う: Synonym of 全く (mattaku, completely)
[verb] 全う, 完う: to complete, finish, accomplish, fulfill
[adjective] 真っ当, 全う, 完う: honest, proper, decent, just
Alternative spellings
全う, 完う, 真っ当
(This term, まつたう, is a historical kana spelling of the above term.)