(1):

(n.) The quality or state of being similar or like; resemblance; likeness; similarity; as, similitude of substance.

(2):

(n.) That which is like or similar; a representation, semblance, or copy; a facsimile.

(3):

(n.) The act of likening, or that which likens, one thing to another; fanciful or imaginative comparison; a simile.