He has much economic knowledge.

Mrs. Suzuki is a very economical housekeeper.

He is economically independent of his parents.

As expectation increases that the dollar will weaken, the foreign exchange market's reaction to US economic indicators has been fairly muted.

Living is dear, accordingly we have to economize.

Not wanting to boast but I've never got better than a 3 on my report card for home economics. Out of 10 that is.