ETYM Obs. or R.
1. To name by recognizing a genus or species, as in botany or biology, for example; SYN. discover, key, key out, distinguish, describe, name.
2. To consider (oneself) as similar to somebody else.
3. To consider to be equal or the same.
4. To recognize as being; establish the identity of someone or something; SYN. place.
5. To establish a relation between two things.