Entry 1 sense Webster, 1913 Enseal /(ĕn*sēl")/ · En·seal · IPA 01 v. t. To impress with a seal; to mark as with a seal; hence, to ratify. 1. To impress with a seal; to mark as with a seal; hence, to ratify.[Obs.] “This deed I do enseal.” — Piers Plowman.