Verb
(transitive) Synonym of chalk out (“make plans; sketch”)
(transitive) To acknowledge or admit (a successful outcome, etc.).
Source: en.wiktionary.orgThe rock is gonna fall on us," he stood and told the class The professor put his chalk down and peered out through his glasses But he went on and said; "I've seen it, high up on the hill If it doesn't fall this year then very soon it will! Harry Chapin