Definition of "quietsome"

Let no false treason seek us to entrap, / Nor any dread disquiet once annoy / The safety of our joy; / But let the night be calm and quietsome, / Without tempestuous storms or sad affray, / Like as when Jove with fair Alcmena lay, [...]

1810 (original 1595), Edmund Spenser, John Aikin, Hymns. Visions. Elegiac poems