conclude

verbs

decide by reasoning; draw or come to a conclusion
"We reasoned that it was cheaper to rent than to buy a house"
is derived from
is derived from
bring to a close
"The committee concluded the meeting"
is derived from
is a type of (narrower)
bring to an end or halt
"She ended their friendship when she found out that he had once been convicted of a crime"; "The attack on Poland terminated the relatively peaceful period after WW I"
reach a conclusion after a discussion or deliberation
is derived from
is derived from
come to a close
"The concert closed with a nocturne by Chopin"
reach agreement on
"They concluded an economic agreement"; "We concluded a cease-fire"
is a type of (narrower)
achieve harmony of opinion, feeling, or purpose
"No two of my colleagues would agree on whom to elect chairman"