One Word Substitution : Set 19

land so surrounded by water as to e almost and island	Peninsula
Part-song for several voices without instrumental accompaniment	Madrigal
A person without objective reality	Hallucination
Open rebellion of soldiers and sailors against lawful authority	Mutiny
A verse letter	Epistle
A person who travels from place to place	Itinerant
Something which can be taken for granted	Postulate
Words used in ancient time but no longer in general use now	Archaic
Cutting all the waste paper into pieces	Shredding
A solider who fights for money	mercenary
Government by all	Pant isocracy
Two wheeled cab for two to ride indie with driver mounted up behind	Hansom
Destroy without any trace	Obliterate
Submarines operate below the surface of the seas	Subterranean
Morning prayer in the church regularly	Matin
An unreal and visionary ideal	Chimerical