lucid (adj.)

• apprehensible
• balanced
• beaming
• bright
• brilliant
• chaste
• classic
• clean-cut
• clear
• clear-cut
• clearheaded
• cloudless
• coherent
• comprehensible
• connected
• consistent
• crisp
• crystalline
• defined
• definite
• diaphanous
• direct
• distinct
• easy
• effulgent
• elegant
• explicit
• express
• fathomable
• filmy
• finished
• gauzy
• gossamer
• graceful
• gracile
• graspable
• incandescent
• intelligible
• knowable
• lambent
• light
• lightsome
• limpid
• lucent
• luculent
• luminous
• lustrous
• natural
• neat
• normal
• pellucid
• perspicuous
• plain
• polished
• pure
• radiant
• rational
• reasonable
• refined
• refulgent
• restrained
• revealing
• right
• round
• sane
• see-through
• sensible
• serene
• sheer
• simple
• sound
• straightforward
• tasteful
• terse
• thin
• together
• translucent
• transparent
• trim
• unaffected
• unambiguous
• unclouded
• unconfused
• unequivocal
• univocal
• unmistakable
• well-defined
• wholesome