Word Study
okay
CIDE DICTIONARY
okay, adj.
Satifactory; agreeable; pleasant; as, things are okay; he's an okay guy. [WordNet 1.5]
okay, n.
An endorsement; approval; permission; as, they gave us the okay to go ahead. [WordNet 1.5]
okay, v. t.
to approve; as, the boss okayed my proposal. [WordNet 1.5]
For further exploring for "okay" in Webster Dictionary Online