Provisions relative to dispensing of anti-conceptional substances and devices.
From the globalspin.blogs.time.com
This approach is the conceptional basis of the Hartree-Fock method and further post Hartree-Fock methods.
From the en.wikipedia.org
Post-conceptional age and IVH in ECMO patients.
From the en.wikipedia.org
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Being of the nature of a notion or concept; "a plan abstract and conceptional"; "to improve notional comprehension"; "a notional response to the question"
Of or relating to conception; Relating to a concept, idea, or thought. (More often, conceptual.)