(mathematics) a function that iterates

(computing) to perform or repeat an action on each item in a set

(computing, mathematics) to perform or repeat an action on the results of each such prior action

(transitive, archaic) To utter or do a second time or many times; to repeat.

(design, transitive, intransitive) To repeat an activity, making incremental changes each time

(obsolete) Said or done again; repeated.