might > could, was able to natheless > nevertheless
2 Himself appease, and issued forth on shore:
appease > calm
3 The joys whereof, and happy fruitfulness, 4 Such as he saw, she gan him lay before,
gan > did; began to lay before > show; submit to the consideration of
5 And all though pleasant, yet she made much more:
all though > although; or: all, though more > [more pleasant, more of]
6 The fields did laugh, the flowers did freshly spring,
field > {Open ground as opposed to woodland; plain. This rather than the modern meaning is to be taken, since at 206.11:3 we are told that the island is "waste"}
7 The trees did bud, and early blossoms bore, 8 And all the choir of birds did sweetly sing, 9 And told that garden's pleasures in their carolling.