100 Best Synonyms for “Theory”

No.	Item	Definition
1.	account	An explanation or description.
2.	analysis	A reasoned examination or explanation.
3.	angle	A particular way of viewing.
4.	approach	A way of thinking about something.
5.	argument	A reasoned case or claim.
6.	article of faith	A firmly held belief.
7.	assumption	Something taken as true.
8.	axiom	A self-evident accepted principle.
9.	basis	The underlying support or reason.
10.	belief	Something accepted as true.
11.	best guess	The most likely explanation.
12.	canon	An accepted body of principles.
13.	case	An argued position or explanation.
14.	claim	An asserted idea or position.
15.	concept	A general idea or notion.
16.	conception	A formed idea or understanding.
17.	conjecture	A guess based on evidence.
18.	construct	An abstract explanatory concept.
19.	creed	A formal set of beliefs.
20.	deduction	A conclusion reached by logic.
21.	description	An account of what something is.
22.	diagnosis	An explanation of a condition.
23.	doctrine	A taught belief or system.
24.	dogma	An authoritative belief system.
25.	educated guess	A guess based on knowledge.
26.	elucidation	A clarifying explanation.
27.	estimate	An approximate judgment or guess.
28.	evaluation	A reasoned assessment.
29.	explanation	A reasoned account of something.
30.	explication	A detailed explanation.
31.	first principle	A basic foundational assumption.
32.	formula	A fixed explanatory rule.
33.	foundation	The basic supporting principle.
34.	framework	A structure for explaining ideas.
35.	generalization	A broad statement from examples.
36.	ground rule	A basic guiding principle.
37.	groundwork	The basic supporting ideas.
38.	guess	An uncertain proposed answer.
39.	hunch	An intuitive guess.
40.	hypothesis	A proposed explanation to test.
41.	idea	A thought or possible explanation.
42.	idealization	A simplified conceptual version.
43.	ideology	A system of political beliefs.
44.	impression	A tentative belief or feeling.
45.	inference	A conclusion drawn from evidence.
46.	insight	A clear understanding or idea.
47.	interpretation	A way of understanding something.
48.	intuition	An instinctive belief or understanding.
49.	judgment	An opinion formed after thought.
50.	justification	A reasoned explanation or defense.
51.	key	An explanation that unlocks meaning.
52.	law	A general scientific principle.
53.	line	A particular argument or position.
54.	logic	Underlying reasoning or principles.
55.	maxim	A general rule or principle.
56.	metatheory	A theory about theories.
57.	mindset	A habitual way of thinking.
58.	model	A simplified explanatory framework.
59.	notion	A belief or general idea.
60.	opinion	A personal belief or judgment.
61.	outlook	A general way of viewing things.
62.	paradigm	A dominant explanatory model.
63.	pattern	A recurring explanatory arrangement.
64.	perspective	A way of seeing something.
65.	philosophy	A guiding system of ideas.
66.	position	A held opinion or stance.
67.	postulate	A basic assumed truth.
68.	precept	A guiding rule or principle.
69.	premise	A basis for reasoning.
70.	principle	A basic rule or belief.
71.	proposition	A statement put forward.
72.	rationale	The reasoning behind something.
73.	rationalization	A constructed explanation or excuse.
74.	reading	An interpretation of meaning.
75.	reasoning	A line of logical thought.
76.	representation	A model or depiction.
77.	rule	A guiding principle or standard.
78.	schema	An organizing conceptual pattern.
79.	scheme	An organized plan of ideas.
80.	school	A shared system of thought.
81.	slant	A biased viewpoint or interpretation.
82.	speculation	An uncertain explanatory guess.
83.	stance	A settled viewpoint or position.
84.	structure	An organized explanatory arrangement.
85.	supposition	An uncertain assumed idea.
86.	surmise	A conclusion from limited evidence.
87.	system	An organized set of ideas.
88.	take	A personal interpretation or view.
89.	teaching	A doctrine or taught principle.
90.	tenet	A core belief or principle.
91.	theorem	A proven mathematical proposition.
92.	thesis	A central claim or proposition.
93.	thinking	A way of reasoning.
94.	thought	An idea or opinion.
95.	underpinning	A supporting idea or principle.
96.	understanding	A person’s interpretation or belief.
97.	view	A particular opinion or perspective.
98.	viewpoint	A particular way of thinking.
99.	working hypothesis	A tentative explanation used provisionally.
100.	worldview	A broad view of reality.