1560s, "act of sealing with a sign," from consign + -ment. (Earlier in this sense was consignation, 1530s, from Medieval Latin consignatio). Meaning "delivering over" is from 1660s; especially of goods, for the sake of sale or auction, from c. 1700. Meaning "quantity of goods so assigned" is recorded from 1720s.
consider
considerable
considerate
consideration
consign
consignment
consilience
consist
consistence
consistency
consistent