Synonyms for Line of reasoning:

• n.

  •argument (noun)
  • claim,
  • pleading,
  • debate,
  • grounds,
  • defense,
  • logic,
  • proof,
  • contention,
  • reason,
  • discussion,
  • Remonstration,
  • expostulation,
  • argumentation,
  • polemic,
  • remonstrance,
  • assertion,
  • exchange,
  • case,
  • plea.
  •argumentation (noun)
  • disputation,
  • argument.
  •cognition (noun)
  • line,
  • line of reasoning,
  • logical argument.

• Other synonyms:

  •n.
  • abstract thought,
  • logical thinking,
  • questioning,
  • reasoning,
  • Pleadings.
  •Other relevant words:
  • sound argument,
  • in some cases.

Hypernym for Line of reasoning:

• n.

  • cognition
    casuistry, line of questioning, policy, line of inquiry.

Hyponym for Line of reasoning:

• n.

  • cognition
    abstract thought, logical thinking, reasoning.