WordNet (r) 3.0 (2006):

as usual
    adv 1: in the usual manner; "as usual, she arrived late"

Moby Thesaurus II by Grady Ward, 1.0:

25 Moby Thesaurus words for "as usual":
   as a rule, as is, as per usual, as things are, as things go,
   at a stand, at a standstill, chiefly, commonly, consistently,
   customarily, generally, habitually, mainly, most often, mostly,
   naturally, normally, normatively, ordinarily, prescriptively,
   regularly, to be expected, usually, wontedly