principles, postulates, assumptions, premises, tenets, fundamentals, basics, propositions, maxims, truths, doctrines, rules, laws, precepts, theories, beliefs, dogmas, canons, standards, norms, guidel... [more]
supports - sustains - bolsters - reinforces - strengthens - buttresses - upholds - backs - undergirds - props up - fortifies - braces - shores up - maintains - secures - stabilizes - underlies - bases - grounds - founds - anchors - roots - establishes - confirms - validates - corroborates - substantiates - affirms - endorses - guarantees - ensures - assures - safeguards - protects - preserves - defends - assists - aids - helps - nurtures - fosters - encourages - promotes - advances - facilitates - enables - empowers - invigorates - energizes - vitalizes
The term 'underpins' refers to the support or foundation that something rests upon or is built upon. It is often used in the context of construction and architecture, indicating the structural elements that hold up a building. It can also be used metaphorically to describe the fundamental principles or basis of a theory, argument, or system.