Answer: surface

AnswerCrossword Clue
SURFACEExterior boundary
surfaceThe upper limit of a body of liquid
surfaceWhat is apparent on a casual view or consideration of someone or something, esp. as distinct from feelings or qualities that are not immediately obvious
surfaceThe level top of something
surfaceA set of points that has length and breadth but no thickness
surfaceThe area of such an outer part or uppermost layer
surfaceThe outside part or uppermost layer of something (often used when describing its texture, form, or extent)
surfaceto apply an outer layer to
SURFACEMicrosoft's answer to the iPad
SURFACEBecome apparent
SURFACECome out of hiding
SURFACEWhat a sub must do
SURFACESuperficial
SURFACEEmerge
SURFACETake the Nautilus up
SURFACECome to the top.
SURFACEExterior.
SURFACESir Oliver in "School for Scandal."
SURFACESeek the sea top.
SURFACECharacter in "School for Scandal."
SURFACE"School for Scandal" hypocrite.
SURFACESub captain's command
SURFACERise, as a submarine
SURFACECome up
SURFACEKind of tension
SURFACECome up for air