Appropriate
Appropriate (adj & verb) /əˈprəʊ.pri.ət/ US /-ˈproʊ-/
adj: suitable for a particular purpose or occasion, fitting, apt, right, correct, applicable
We were amazed at Steve’s appropriate response to our cruel boss.
Antonym: inappropriate
Noun: appropriateness
Noun: appropriator
Adverb: appropriately
Adjective: appropriative
Adjective: appropriable