100 Best Synonyms for “Reason”

No.	Item	Definition
1.	account	Explanation of events or motives.
2.	advantage	Favorable reason or benefit.
3.	agenda	Underlying purpose or plan.
4.	aim	Intended purpose or goal.
5.	antecedent	Earlier cause or condition.
6.	apology	Formal defense or justification.
7.	argument	Reason supporting a claim.
8.	assumption	Accepted basis for reasoning.
9.	backing	Support for an argument.
10.	basis	Underlying support or justification.
11.	benefit	Advantage giving reason to act.
12.	case	Set of reasons supporting something.
13.	catalyst	Cause that starts change.
14.	cause	What makes something happen.
15.	circumstance	Relevant fact or condition.
16.	cogency	Persuasive logical force.
17.	coherence	Logical consistency and clarity.
18.	condition	Circumstance affecting an outcome.
19.	consideration	Factor to think about.
20.	deciding factor	Reason determining the result.
21.	deduction	Conclusion reached by reasoning.
22.	defense	Justification against criticism.
23.	design	Purpose or intention behind something.
24.	determinant	Factor deciding an outcome.
25.	driver	Main force or reason.
26.	driving force	Main reason or stimulus.
27.	end	Purpose or intended result.
28.	enticement	Attractive reason to act.
29.	evidence	Facts supporting a conclusion.
30.	excuse	Reason offered to justify something.
31.	explanation	Statement making something clear.
32.	factor	Contributing reason or element.
33.	foundation	Basic support or reason.
34.	function	Purpose something serves.
35.	goal	Desired end or purpose.
36.	good cause	Valid reason for action.
37.	grounds	Basis for belief or action.
38.	groundwork	Foundation for later action.
39.	hidden agenda	Secret underlying purpose.
40.	impetus	Force or reason prompting action.
41.	import	Meaning or significance.
42.	incentive	Reason encouraging action.
43.	inference	Conclusion drawn from evidence.
44.	intent	Purpose behind an action.
45.	intention	Planned aim or purpose.
46.	interest	Benefit or reason for concern.
47.	just cause	Morally valid reason.
48.	justification	Reason proving something acceptable.
49.	key factor	Important contributing reason.
50.	legal ground	Lawful basis or justification.
51.	line of reasoning	Connected chain of reasons.
52.	logic	Reasoning behind an idea.
53.	lure	Tempting reason or attraction.
54.	mainspring	Principal motive or cause.
55.	meaning	Significance or purpose.
56.	merit	Good reason or value.
57.	mission	Important purpose or task.
58.	motivation	Reason driving behavior.
59.	motive	A reason for doing something.
60.	necessity	Compelling need or reason.
61.	need	Requirement giving reason.
62.	object	Purpose or goal.
63.	objective	Aim or intended result.
64.	occasion	Immediate reason for something.
65.	origin	Starting point or cause.
66.	plan	Intended method or purpose.
67.	plea	Reason given in defense.
68.	point	Purpose or meaningful reason.
69.	premise	Statement used as a basis.
70.	pretext	False or stated reason.
71.	principle	Basic rule or belief.
72.	proof	Evidence establishing truth.
73.	purpose	Reason something is done.
74.	ratiocination	Formal logical reasoning.
75.	rationale	Logical explanation for something.
76.	rationality	Quality of being logical.
77.	reasonableness	Quality of being fair or sensible.
78.	reasoning	Process of logical thought.
79.	reckoning	Calculation or explanation.
80.	role	Purpose or function served.
81.	root	Basic cause or origin.
82.	sense	Sound judgment or meaning.
83.	soundness	Logical reliability or good judgment.
84.	source	Origin or cause of something.
85.	stimulus	Cause provoking a response.
86.	sufficient cause	Adequate reason or cause.
87.	support	Reason backing a claim.
88.	temptation	Reason attracting improper action.
89.	train of thought	Sequence of connected reasoning.
90.	trigger	Immediate cause of something.
91.	ulterior motive	Hidden reason for action.
92.	underlying cause	Hidden basic reason.
93.	urge	Strong desire prompting action.
94.	use	Purpose or practical value.
95.	validity	Logical soundness or legitimacy.
96.	vindication	Proof that something is justified.
97.	warrant	Reason justifying belief or action.
98.	wherefore	Reason or cause.
99.	why	The reason or explanation.
100.	wish	Want behind an action.