pat

nouns

the sound made by a gentle blow
a light touch or stroke

verbs

pat or squeeze fondly or playfully, especially under the chin
hit lightly
"pat him on the shoulder"

adjectives

having only superficial plausibility
"glib promises"; "a slick commercial"
exactly suited to the occasion
"a pat reply"
pat
is derived from
is similar to
suitable for a particular person or place or condition etc
"a book not appropriate for children"; "a funeral conducted the appropriate solemnity"; "it seems that an apology is appropriate"

adverbs

completely or perfectly
"he has the lesson pat"; "had the system down pat"
pat