Speech dropping intro, a line endowed with reason (8)

From Times Cryptic 29575, 22A —

22A — Speech dropping intro, a line endowed with reason (8)RATIONAL

  • Definition
    Definition found: 'endowed with reason' — A definition sits at one end of the clue, never the middle — which end reads as a plain description of the answer?
  • Indicator
    Indicator found: 'dropping intro,'
  • Operation
    'dropping intro,' signals a deletion operation
  • Fodder
    Fodder: 'Speech'
  • Synonym
    Synonyms spotted: 'Speech' → ORATION
  • Abbreviation
    Abbreviations spotted: 'line' → L
  • Assembly
    (ORATION - O > RATION) + A + L = RATIONAL

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