A pregnant person.
Carrying developing offspring within the body.
I went to the doctor and, guess what, I'm pregnant!
Having numerous possibilities or implications; full of promise; abounding in ability, resources, etc.
a pregnant pause
Fertile, prolific (usually of soil, ground etc.).
Affording entrance; receptive; yielding; willing; open; prompt.
Ready-witted; clever; ingenious.
Compelling; clear, evident.