Noun, Noun which may take the genitive case particle 'no', Adverb (fukushi)
more or less; though not quite satisfactorily; after a fashion; pretty much; roughly; so far as it goes; technically
ええ、先方から一応返事はありました。Yeah, there was some sort of reply from them. Noun, Adverb (fukushi)
tentatively; for the time being
just in case
once
Also written 一往【いちおう】