Exact historical dictionary sense
Responsible in Webster's 1913 dictionary
The 1913 record labels responsible as adjective. Its source-bounded etymology and selected historical definition appear below.
[Cf. F. responsable. See Respond.]
Cross-verified historical senseIn Webster's Revised Unabridged Dictionary (1913), "responsible" is labeled adjective. Its etymology is recorded as: "[Cf. F. responsable. See Respond.]" The selected historical definition says: "Liable to respond; likely to be called upon to answer; accountable; answerable; amenable; as, a guardian is responsible to the court for his conduct in the office."