1. (v. t.) To form in the mind; to plan; to devise; to generate; to originate; as, to conceive a purpose, plan, hope.

2. (v. t.) To receive into the womb and begin to breed; to begin the formation of the embryo of.

3. (v. t.) To apprehend by reason or imagination; to take into the mind; to know; to imagine; to comprehend; to understand.

4. (v. i.) To have an embryo or fetus formed in the womb; to breed; to become pregnant.

5. (v. i.) To have a conception, idea, or opinion; think; -- with of.