Here are the possible solutions for they go out and go steady clue
Answer
Clue
Relevancy
daters
Clue
They go out and go steady
Definition
DATER, one who dates
dater
Clue
They have ''steady'' company
Definition
one who dates
metronomes
Clue
They swing on a steady basis
Definition
METRONOME, a mechanical device which indicates the exact tempo of a piece of music by producing a clicking sound from a pendulum with an adjustable period of swing