The correct matches are:
Cosmopolitan - A city containing people from many different countries;
This cities can be considered as multicultural, as there's people from lot of places around the world, all working, communicating, collaborating together.
Grotto - A cave with many interesting natural features;
This type of caves are big attractions as they are stuffed with loads of interestingly shaped stalactites and stalagmites.
Imperial - An adjective describing an empire or its ruler that holds supreme power;
Imperial as a term is connected with an empire, emperor, the activities. and actions in it.
Maritime - A kind of shipping or trade related to the sea;
The shipping, trade, and even warfare that is taking place on the sea waters falls into the category of a maritime activity.
Mercantile - A word relating to trade, merchants, and their characteristics;
This has been the dominant economic system and philosophy of the European colonial powers during the colonial period.
Pharmaceutics - The science of the preparation and dispensing of drugs prescribed by doctors;
One of the largest businesses in the world which puts drugs on the market, as well as inventing new ones constantly in order to prevent or regulate certain diseases.
