the final part of something.

finally.

the act of arranging or agreeing something formally.

the opinion you have after considering all the information about something.

a decision made after a lot of consideration.

the last part of something.

a decision or judgment that is made after careful thought.

the end of a meeting. a speech. a performance. etc..

the fact of something being arranged or agreed formally.

said or written when you are ending a speech. report. etc..