1. Introduction 2. Extended Karttunen-Peters' framework SAMPLE LEXICON 3. Implicative and assertive adverbs 3.0. Introduction 3.1. Subclasses of implicative advergs of English and Japanese 4. Syntactic Derivation of Some Japanese Implicative Adverbs and Their Implicative Meaning 4.1. 'yahari'(attitudinal disjunct, Group III) 4.2. Conventional implicature of 'yahari' 4.3. 'Sekkaku' 4.4. 'igainimo' 5. Summary References