The root cap; cep; cept means take; receive

Word	Meaning
Precept	Practical rule guiding conduct
Caption	A heading
Captious	Calculated to entrap; fault finding
Exceptionable	Objectionable
Conception	Beginning; forming of an idea
Susceptible	Impressionable; easily influenced; having little resistance, as to a disease; receptive to
Perceptive	Insightful; aware; wise