adjective ("pertaining to or indicating character") and noun ("a distinctive trait; that which gives or indicates character") both first attested 1660s, from character + -istic on model of Greek kharaktēristikos. Earlier in the adjectival sense was characteristical (1620s). Related: Characteristically (1640s). Characteristics "distinctive traits" also attested from 1660s.
generosity is one of his best characteristics
heard my friend's characteristic laugh
red and gold are the characteristic colors of autumn
stripes characteristic of the zebra
char
charabanc
character
characterisation
characterise
characteristic
characterization
characterize
charade
charcoal
charcuterie