What does "purpose" mean?

Additional senses

1. 2.Instance; example. [Obs.] L'Estrange. In purpose, Of purpose, On purpose, with previous design; with the mind directed to that object; intentionally. On purpose is the form now generally used. See Design.
2. 3.To set forth; to bring forward. [Obs.]
3. 4.To propose, as an aim, to one's self; to determine upon, as some end or object to be accomplished; to intend; to design; to resolve; - - often followed by an infinitive or dependent clause. Chaucer. Did nothing purpose against the state. Shak. I purpose to write the history of England from the accession of King James the Second down to a time which is within the memory of men still living. Macaulay.
4. 5.To have a purpose or intention; to discourse. [Obs.] Spenser.