(1):

(v. t.) To derive or draw; to derive by logical process; to obtain or arrive at as the result of reasoning; to gather, as a truth or opinion, from what precedes or from premises; to infer; - with from or out of.

(2):

(v. t.) To take away; to deduct; to subtract; as, to deduce a part from the whole.

(3):

(v. t.) To lead forth.