Shall

shal, v.t. ( obs. ) to be under obligation: now only auxiliary, used in the future tense of the verb, whether a predictive or a promi ive future (in the first person implying mere futurity; in the second and third implying authority or control on the part of the speaker, and expre ing promise, command, or determination, or a certainty about the future. In the promi ive future 'will' is used for the first person, and 'shall' for the second and third). [A.S. sceal , to be obliged; Ger. soll , Goth. skal , Ice. skal , to be in duty bound.]