meetest > most fittingly beseem > suit

4 Her fair locks in rich circlet be enrolled:

rich >

5 A fairer wight did never sun behold,

wight > creature, woman sun > [the sun: indifferently the subject or object of "behold">[

6 And on a palfrey rides more white than snow,

palfrey > {Saddle-horse for ladies}

7 Yet she herself is whiter manifold:

manifold > many times over

8 The surest sign whereby you may her know 9 Is that she is the fairest wight alive, I trow."