duty, sense of duty, honor, decency, courtesy, debt of gratitude, social obligation

to understand, to comprehend

to cook

to repair, to mend, to fix

to manage, to control, to administer

truth

reasoning, inference, mystery or detective genre (movie novel etc.)

physiology, menses

cooking

theory, reason

reason, sense

theory

logic

principle, theory, fundamental truth

rational

Prime Minister

science

control, management (e.g. of a business)

repairing, mending

processing, dealing with, treatment, disposition, disposal

mentality

sorting, arrangement, adjustment, regulation

representation, agency, proxy, deputy, agent

physics

understanding, comprehension

ideal

geography

impossible

reason

cuisine