accumulated

Usually, by this point in the season, the city’s reservoirs have accumulated more than enough water for the whole year.

The artwork was coated with a dark varnish and accumulated dirt over the years, giving the false impression it depicts a night scene.

Over the course of the first quarter of this century, the American presidency has accumulated ever more power, rendering the office increasingly less constrained by either Congress or the courts.

The growing power of the presidency has been taking place in plain view, as unilateral powers have accumulated decade after decade in the Oval Office, while the recent choice of president has also become a grim choice about the nature and powers of the presidency itself.

I'm not just talking about the party’s consumer-facing candidates or Democratic National Committee officials, problematic as those are, but its entire Beltway class of consultants and advisers and their accumulated body of collective wisdom.