WordNet (r) 3.0 (2006):

take for granted
    v 1: take to be the case or to be true; accept without
         verification or proof; "I assume his train was late" [syn:
         assume, presume, take for granted]

Moby Thesaurus II by Grady Ward, 1.0:

104 Moby Thesaurus words for "take for granted":
   accept, accept for gospel, accept implicitly, allegorize,
   allude to, anticipate, assume, be afraid, be caught napping,
   be certain, be neglectful, be negligent, believe,
   believe without reservation, bring to mind, buy, conceive,
   conclude, connote, consider, contemplate, credit, daresay, deduce,
   deem, default, disregard, divine, dread, dream, entail, envisage,
   expect, face, fail, fancy, feel, foresee, gather, give faith to,
   gloss over, grant, have in mind, hint, hope, ignore, imagine,
   implicate, imply, import, infer, insinuate, intimate, involve,
   lapse, let, let be, let go, let ride, let slide, let slip,
   lose sight of, lose track of, mean, mean to say, neglect, nod,
   not care for, not get involved, not heed, not think, opine,
   overlook, pass over, point indirectly to, prefigure, presume,
   presuppose, presurmise, provisionally accept, put faith in,
   receive, reckon, repute, say, set store by, show no amazement,
   sleep, suggest, suppose, surmise, suspect, swallow, take, take for,
   take it, take on faith, take on trust, take stock in, take to be,
   think, treat as routine, trust, understand