To deduce (a conclusion) by reasoning.
To originate or stem (from).
To create (a compound) from another by means of a reaction.
To obtain or receive (something) from something else.
To find the derivation of (a word or phrase).
To turn the course of (water, etc.); to divert and distribute into subordinate channels.
The act or state of deliberately not paying attention or caring about; misregard.
To ignore; pay no attention to.