1) the philosophy or study of the principles of beauty (aesthetics)
2) (of people, ideas, machinery, principles etc) able to exist together (compatible)
3) (of a person, behaviour, principles etc) having a regular pattern (consistent)
4) (a system of) principles of teaching, beliefs of a church, political party etc (doctrine)
5) the possession of two contrasted or opposing qualities, principles or tendencies (polarity)
6) of, relating to, supporting the principles of, a republic (republican)
7) having opinions or principles that are fair, moral etc (right-minded)
8) (an example of) breaking God's laws (pride, jealousy, lust, anger, greed, envy, laziness) , behaviour that is against the principles of morality; do wrong (sin)
9) (an explanation of) the general principles of an art or science; a reasoned account offered to explain facts or events; an opinion or idea that is not necessary based on known facts or reasoning (theory)
10) not following or using the principles or rules of science (unscientific)
the most basic or simplest parts
fundamentals
the consciousness within oneself of the choice one ought to make between right and wrong
moral sense
a system of moral principles, rules of behaviour
moral principle
(the scientific study of) rules for the combination of words into sentences (called syntax), and the forms of words (called morphology)
language rules
a way of thinking, set of ideas, characteristic of a person, group etc, especially as forming the basis of an economic or political system
beliefs
understanding; information or familiarity gained by experience
person's understanding; information
(the standards, principles, of) good behaviour
ethics, honesty
a reputation (good or bad)
honor
the first steps or stages (of an art or science)
fundamentals
in/not in good physical condition for a sport etc
preparation