Synonyms for Alright (same or very similar meaning)
WordNet sense 1 (giving satisfaction):satisfactory
WordNet sense 2 (without doubt (used to reinforce an assertion)):all right
WordNet sense 3 (an expression of agreement normally occurring at the beginning of a sentence):fine, fine, very well, ok
WordNet sense 4 (in a satisfactory or adequate manner):okay, o.k.
From the ODE community, based on WordNetadd/edit