Sentence:  Among those who <WSD>self-identified</WSD> themselves as Native American, 80 percent of them had white ancestors, along with 20 percent for blacks, Hispanics, and Asians. 
Meaning of the word marked with <WSD> tags:  To identify (oneself) (with) a particular person or group, or (as) part of a particular group. (from 19th c.)