some day 
(also someday)
adverb
At some time in the future: some day I’ll live in the countryside...
- I live in hope that someday, someone out there wants the same things that you do.
- He says he plans to start a family someday, but it's not clear how he could swing it.
- I need a lot more money to support my family, especially if someday I have a baby.
- main rope
- mainsail
- mainsborne
- main sequence
- main-sequence turn-off
- mainsheet
- mainshock
- main sign
- mainspring
- main squeeze
- main stage
- mainstay
- main stem
- main storage
- main store
- mainstream
- mainstreamer
- mainstream jazz
- mainstream media
- main street
- mainstreeting
- main succulente
- maintain
- maintainability
- maintainable