[1] The headword is presumably extracted from the quotation given; if so, it is masculine/feminine accusative singular (rather than neuter nominative/accusative singular) of this adjective.
[2] [Polybius] fr. 157 Büttner-Wobst. Büttner-Wobst notes (534) that Casaubon attributed this fragment to Polybius, but that Schweighäuser was reluctant to accept it as genuinely Polybian. Indeed, Büttner-Wobst points out (ibid.) that--at least in the case of Philip II of Macedon's magnanimous treatment of vanquished Athenians in 338 BCE--Polybius 22.6 (web address 1) presents a quite different assessment of Macedonian rule following a military victory.