I . n.
1.
Intellect, mind, sense, understanding, rational faculty, conception, judgment, intuitional faculty, thinking principle, intellectual powers or faculties, discursive power or faculty.
2.
Cause, ground, principle, motive, consideration, account, efficient cause, sake.
3.
Design, purpose, end, object, aim, final cause.
4.
Argument, ~ing, ratiocination, right judgment, chain of ~ing, process of ~ing.
5.
Reasonableness, wisdom, common-sense, good sense, right or just view.
6.
Right, justice, fairness, equity.
7.
Theory, exposition, rationale.
II . v. n.
1.
Draw conclusions, draw inferences, make deductions, ratiocinate, argue.
2.
Argue, debate, dispute, chop logic, try conclusions, bandy words or arguments, hold or carry on an argument.