If we're talking about the definition at the time, this is what OED says:
> peaceably, adv.
> 2. Without being subject to disturbance or opposition; in peace, quietly; tranquilly, peacefully.
> 1375: Barbour Bruce v. 231 “It anoyis me.., That the clyffurd sa pesabilly Brukis and haldis the senȝory That suld be mine.”
> 1471: Fortescue Wks. (1869) 527 “Kynge Knoght kepte and occupied the same lande.., and died peasibly seased tharof.”
> 1593: Shakes. 2 Hen. VI, iii. iii. 25 “Disturbe him not, let him passe peaceably.”
> 1727: De Foe Syst. Magic i. iii. (1840) 71 “We come to desire your leave, that we may go peaceably, and do the duty of our worship.”
> 1824: Mackintosh Speech 15 June, “They saw the laws obeyed, justice administered,..and the revenue peaceably collected.”
> peaceably, adv.
> 1. With peaceful or friendly disposition, intention, or behaviour; amicably; so as to make for or maintain peace; without making strife, opposition, or disturbance; without quarrel or dispute.
> c1330: R. Brunne Chron. Wace (Rolls) 7300 “Ȝyf swylk be comen, & peysibly þe hauene han nomen, In pes lat þem take þer rest.”
> 1389: in Eng. Gilds (1870) 52 “Honestliche and peysiblyche to gon to þe forseyd chirch.”
> c1449: Pecock Repr. iii. xiii. (Rolls) 363 “Regniden in successioun euermore oon emperour after an other pesibili to gidere.”
> 1535: Coverdale Zach. viii. 16 “Execute iudgment truly and peaceably.”
> 1599: Shakes. Much Ado v. ii. 72 “Thou and I are too wise to wooe peaceablie.”
> 1599: Nashe Lenten Stuffe Wks. (Grosart) V. 228 “Not any where is..a warlike people peaceablier demeanourd.”
> 1709: Addison Tatler No. 96 2 “Good Subjects, that pay their Taxes, and live peaceably in their Habitations.”
> 1855: Macaulay Hist. Eng. xii. III. 190 “With assurances that the city should be peaceably surrendered.”
>peaceably, adv.
> 3. Comb.
> 1692: Wicked Contriv. Steph. Blackhead in Select. fr. Harl. Misc. (1793) 512 “Some other good and peaceably-minded man.”
> 1781: Cowper Conversation 90 “The clash of arguments and jar of words,..Divert the champions prodigal of breath, And put the peaceably-disposed to death.”