WordNet sense 1 (the latter part of the day (the period of decreasing daylight from late afternoon until nightfall)):

eve, evening, eventide, evening

WordNet sense 2 (symmetrically arranged):

regular

WordNet sense 3 (having similarity in size, shape, and relative position of corresponding parts):

symmetric

WordNet sense 4 (not subject to change or variation especially in behavior):

steady

WordNet sense 5 (make level or straight):

even out

WordNet sense 6 (accurately fitted; level):

straight, true

WordNet sense 7 (oriented at right angles to the plumb):

level

WordNet sense 8 (of a surface exactly even with an adjoining one, forming the same plane):

flush

WordNet sense 9 (having a surface without slope, tilt in which no part is higher or lower than another):

flat, plane

WordNet sense 10 (of the score in a contest):

tied

WordNet sense 11 (equal in degree or extent or amount; or equally matched or balanced):

fifty-fifty

WordNet sense 12 (well matched; having the same quantity, value, or measure as another):

equal

WordNet sense 13 (to a greater degree or extent; used with comparisons):

still, yet