being in effect or operation; "de facto apartheid is still operational even in the `new' African nations"- Leslie Marmon Silko; "bus service is in operation during the emergency"; "the company had several operating divisions"
of or intended for or involved in military operations
pertaining to a process or series of actions for achieving a result; "operational difficulties"; "they assumed their operational positions"
the quality of being consistent with or based on logic
the state of having good sense and sound judgment; "his rationality may have been impaired"; "he had to rely less on reason than on rousing their emotions"
worthy of being recommended or suggested; prudent or wise; "such action is neither necessary nor advisable"; "extreme caution is advisable"; "it is advisable to telephone first"
deliberately deviating from what is good; "there will always be a few people who, through macho perversity, gain satisfaction from bullying and terrorism"