"basing" in the verb sense

1. establish, base, ground, found

use as a basis for found on

"base a claim on some observation"

2. base

situate as a center of operations

"we will base this project in the new lab"

3. free-base, base

use (purified cocaine) by burning it and inhaling the fumes

Source: WordNet® (An amazing lexical database of English)

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