reasonable
adjective
1 a reasonable man | it seemed a reasonable explanation:
sensible, rational, open to reason, full of common sense, logical, fair, fair-minded, just, equitable, decent;
intelligent, wise, levelheaded, practical, realistic;
based on good sense, sound, judicious, well thought out, well grounded, reasoned, well reasoned, valid, commonsensical, advisable, well advised;
tenable, plausible, feasible, credible, acceptable, admissible, believable, viable.
▷antonyms unreasonable, illogical.
2 you must take all reasonable precautions to ensure the safety of your property:
within reason, practicable, sensible;
appropriate, suitable, fitting, proper.
▷antonyms excessive, obsessional.