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n.
a statement that is assumed to be true and from which a conclusion can be drawn; "on the assumption that he has been injured we can infer that he will not to play"
v.
talk over conjecturally, or review in an idle or casual way and with an element of doubt or without sufficient reason to reach a conclusion; "We were speculating whether the President had to resign after the scandal"
v.
put on trial or hear a case and sit as the judge at the trial of; "The football star was tried for the murder of his wife"; "The judge tried both father and son in separate trials"
n.
a statement or assertion of verified information about something that is the case or has happened; "he supported his argument with an impressive array of facts"