also reaffirm, 1610s, "to confirm anew," from re- "back, again" + affirm. Meaning "to assert anew" is recorded from 1842. Related: Reaffirmed; reaffirming.
re-adjust
re-admission
re-admit
read-out
ready
re-affirm
re-affirmation
Reagan
Reaganomics
reagent
re-aggravate