Answer: lucid

AnswerCrossword Clue
LUCIDEasily understandable
LUCIDIntelligible.
LUCIDClear of thought
LUCIDAstronaut in 1996 news
LUCIDReadily comprehended
LUCIDNoted female astronaut
LUCIDCrystal clear
LUCIDIs playing with a full deck
LUCIDTransparent
LUCIDHaving all one's marbles
LUCIDLimpid
LUCIDReadily understood.
LUCIDPlaying with a full deck
LUCIDAstronaut Shannon
LUCIDClear-headed
LUCIDSane
LUCIDClear and understandable
lucidrational
lucidclear
lucideasily understood
lucideasily understood
LUCIDClearheaded
LUCIDLike some dreams
LUCIDClear
LUCIDClear as a bell
LUCIDShuttle astronaut Shannon
LUCIDIntelligible
LUCIDUnderstandable
LUCIDEasily understood
LUCIDPerfectly clear
LUCIDCapable of being understood
LUCIDClear, as an explanation
LUCIDRational
LUCIDClear-thinking
LUCIDComprehensible
LUCIDClearly understood
LUCIDCrystal-clear
LUCIDOf sound mind
LUCIDClear.
LUCIDEasily understood.