[1] : WordNet (r) 2.0

alright
     adj : nonstandard usage
     adv 1: used to reinforces an assertion; "it's expensive all right"
            syn: all right, without doubt
     2: sentence-initial expression of agreement syn: very well,
        fine, all right, ok
     3: in a satisfactory or adequate manner; "she'll do okay on her
        own"; "held up all right under pressure"; `alright' is a
        nonstandard variant of `all right' syn: okay, o.k.,
        all right
see also:
all right without doubt very well fine ok okay 
o.k. 

[2] : Moby Thesaurus II by Grady Ward, 1.0

98 moby thesaurus words for "alright":
   ok, roger, absolute, absolutely, acceptable, accurate, adequate,
   admissible, agreeable, all right, alrighty, amen, as you say,
   assuredly, aye, better than nothing, by all means, certainly,
   correct, da, dead right, decent, doing nicely, exactly, fair,
   fairish, faultless, fine, flawless, good, good enough, goodish,
   hear, indeed, indeedy, ja, just, just right, just so,
   letter-perfect, mais oui, meticulous, moderate, most assuredly,
   naturally, naturellement, not amiss, not bad, not half bad,
   not so bad, of course, okay, oui, passable, perfect, positively,
   precisely, presentable, pretty good, proper, quite, rather, really,
   respectable, right, righto, satisfactory, straight,
   straight-up-and-down, sufficient, sure, sure thing, surely,
   tenable, tidy, to be sure, tolerable, truly, unailing,
   unexceptionable, unobjectionable, unsick, unsickly, up and about,
   very well, viable, well, well and good, why yes, workmanlike, yea,
   yeah, yep, yes, yes indeed, yes indeedy, yes sir, yes sirree

Alright >> A Words
Alright, definition of term: Alright
alright_pag1.html