adjective

satisfying one’s conception of what is perfect; most suitable.

the swimming pool is ideal for a quick dip

perfect,best possible,consummate,supreme,absolute,complete,copybook,flawless,faultless,without fault,exemplary,classic,archetypal,model,ultimate,quintessential

noun

a person or thing regarded as perfect.

you’re my ideal of how a man should be

perfection,paragon,epitome,ne plus ultra,beau idéal,nonpareil,crème de la crème,the last word,the ultimate,a dream,one in a million,the tops,the bee’s knees,a nonesuch