Question: How Do You Say "I Say" in Latin?

Answer:

It's harder to answer than it sounds. There are many ways to translate "I say" into Latin. Some of the expressions convey subtly different meanings from others. Here you will find some of the main verbs used to mean "say" in Latin.

• inquam
  (I say)
• aio
  (I say, assert, affirm)
  The Lewis and Short Latin Dictionary on Perseus says "[D]ifferent from inquam, I say, I reply, since aio is commonly used in indirect, and inquam in direct discourse."
  

• loquor
  (I speak, talk, say, tell, mention, utter [loquor, loqui, -quutus/-cutus]
  Used "in the tone of conversation" (Lewis and Short)
  
• dico
  (I say, speak, utter, tell, mention, relate, affirm, declare, state, assert) [dico, -ere, -xi, -ctum]
  Lewis and Short refers to the following as synonyms: loquor, verba facio, dicto, dictito, oro, inquam, aio, fabulor, concionor, pronuntio, praedico, recito, declamo, affirmo, assevero, contendo
  
• for
  (I speak, say) [for, fatus]
  Lewis and Short refer to the following as synonyms: loquor, dico, perhibeo, inquam, aio
  
• perhibeo
  (I say, assert, call, name [perhibeo, -?re -ui, -itum]
  This is a secondary meaning of perhibeo, according to Lewis and Short; its primary meaning is: hold out, extend, present, etc.