(a.) Pertaining to conception.

bright cerebral cogitative cognitive concentrating concentrative conceptive conceptualized contemplating contemplative creative deliberating deliberative discursive endopsychic esemplastic excogitating fanciful fecund fertile germinal ideal ideational ideative ideological imaginative ingenious inspired intellectual intelligent internal introspective inventive knowing meditating meditative mental museful musing noetic noological not so dumb notional original originative pensive phrenic pondering pregnant prehensive productive prolific psychic psychologic rational reasonable reasoning reflecting reflective ruminant ruminating ruminative sane seminal sensible serious shaping sober sophic speculative spiritual strong-minded subjective teeming theoretical thinking thought thoughtful understanding visioned wistful