conclude

(verb) decide by reasoning; draw or come to a conclusion. Synonyms: reason, reason out. Examples: "We reasoned that it was cheaper to rent than to buy a house."

(verb) bring to a close. Examples: "The committee concluded the meeting."

(verb) reach a conclusion after a discussion or deliberation. Synonyms: resolve.

(verb) come to a close. Synonyms: close. Examples: "The concert closed with a nocturne by chopin."

(verb) reach agreement on. Examples: "They concluded an economic agreement." "We concluded a cease-fire."