conclude (verbe)
Sens 1 : to decide that something is true after looking at all the
evidence you have. [source : MAC]
--------------------------------------------------
Sens 2 : (formal) to end, especially by someone saying or doing
something. [source : MAC]
--------------------------------------------------
Sens 3 : to form or state (an opinion) : to decide (something) after a period of thought or research. [source : MW]