some 
(sŭm)
(sŭm)adj.
1. Being an unspecified number or quantity: Some people came into the room. Would you like some sugar?
2. Being a portion or an unspecified number or quantity of a whole or group: He likes some modern sculpture but not all.
3. Being a considerable number or quantity: She has been directing films for some years now.
4. Unknown or unspecified by name: Some man called.
5. Logic Being part and perhaps all of a class.
6. Informal Remarkable: She is some skier.
pron.
1. An indefinite or unspecified number or portion: We took some of the books to the auction. See Usage Note at every.
2. An indefinite additional quantity: did the assigned work and then some.
adv.
1. Approximately; about: Some 40 people attended the rally.
2. Informal Somewhat: some tired.
[Middle English, from Old English sum, a certain one; see sem-1 in the Appendix of Indo-European roots.]