the act of assuming, or taking to or upon one's self; the act of taking up or adopting.-the act of taking for granted, or supposing a thing without proof; supposition; unwarrantable claim.-the thing supposed; a postulate, or proposition assumed; a supposition.-the minor or second proposition in a categorical syllogism.-the taking of a person up into heaven.-a festival in honor of the ascent of the virgin mary into heaven.