The founder of a discipline or science.
A member of a church council.
Something that is the greatest or most significant of its kind.
The archived older version of a file that immediately precedes the current version, and was itself derived from the grandfather.
A term of respectful address for a priest.
Something inanimate that begets.
A person who plays the role of a father in some way.
A male ancestor more remote than a parent; a progenitor; especially, a first ancestor.
A (generally human) male who begets a child.
A term of respectful address for an elderly man.
To act as a father; to support and nurture.
To provide with a father.
To adopt as one's own.
To give rise to.
To be a father to; to sire.
One who initiates.
A substance that initiates a chain reaction or polymerization.
A component of a nuclear weapon that produces a burst of neutrons to trigger a fission chain reaction.
A task (in a mainframe computer) that initiates multiple jobs.
A material whose presence in the body eventually leads to cancer.