Possible Clues:

• Belief based on theory
• Type of reasoning from what has gone before
• Deductive, from cause to effect - in Latin
• A poet I recognize from previous knowledge
• (Of reasoning) deduction from a general principle
• The head of a house, that's me, by deduction
• Stands to reason that I am the head of a house
• From cause to effect (Latin)
• A superior - one reasoning logically
• By deduction, from the first of the month or the first of the House - that's me (1, 6)