large area/large tracts of land

big / huge / large / major / great / wide / deep / older (than) / oldest / eldest / greatly / very much / (dialect) father / father's elder or younger brother

to amass / to accumulate / to store / measured quantity (such as area of volume) / product (the result of multiplication) / to integrate (math.) / to solve (or integrate) an ordinary differential equation (math.) / old / long-standing