WordNet sense 1 (being the exact same one; not any other:):

identical, selfsame

WordNet sense 2 (same in identity):

same

WordNet sense 3 (sharply exact or accurate or delimited):

precise

WordNet sense 4 (used as intensifiers; `real' is sometimes used informally for `really'; `rattling' is informal):

rattling, real, really, real, real