noun
plural -poses
[count] :the reason why something is done or used :the aim or intention of something
[noncount] :the feeling of being determined to do or achieve something
[count] :the aim or goal of a person :what a person is trying to do, become, etc.
for (all) practical purposes
on purpose
in a way that is planned or intended :in a deliberate way
to/for all intents and purposes
to the purpose
old-fashioned :appropriate to the situation