someplace
adv.in or to a place that you do not know or have not named. It is a more casual way of saying 'somewhere'.
adv.In, at, or to an unspecified or unknown location. Primarily used in North American English as a synonym for 'somewhere'.
“Let's go someplace quiet to talk.”
“I know I left my keys someplace in the kitchen, but I cannot find them now.”
“The family decided they needed to move someplace with better schools and more green space before the children reached high school age.”
Typically functions as an adverb of place; in formal writing, 'somewhere' is generally preferred.
When used as an adverb, it does not require the preposition 'to' to indicate destination.
From some + place.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.