fərˈthiŋk verb
( for·thought -ˈthȯt ; forthought ; forthinking ; forthinks )
Etymology: Middle English forthinken, forthenken to regret, repent, displease, be displeased; partly from for- + thinken to seem; partly from Old English forthencan to mistrust, despise, despair, from for- + thencan to think — more at think
transitive verb
now chiefly Scotland : to change the mind of (oneself) ; often : regret
intransitive verb
now chiefly Scotland : to have a change of mind or a feeling of regret