oration

As nouns the difference between locution and oration

is that locution is a phrase or expression connected to an individual or a group of individuals through repeated usage while oration is a formal ceremonial speech.

As a verb oration is

to deliver an oration; to speak.

As nouns the difference between taxonomy and oration

is that taxonomy is the science or the technique used to make a classification while oration is a formal ceremonial speech.

As a verb oration is

to deliver an oration; to speak.

As an adjective extemporaneous

is without preparation or advanced thought; offhand.

As a noun oration is

a formal ceremonial speech.

As a verb oration is

to deliver an oration; to speak.