найти синонимы to turn on, to provide, to type, to accept, to help, to learn, to observe, to call, to tell, to keep, to feed, to solve, to relate, to switch off, to communicate, to receive, to supply, to switch on, to assist, to print, to study, to input, to turn off, to decide, to store, to say, to name, to watch.

to turn on - to switch on,
to provide - to supply,
to type - to print,
to accept - to receive,
to help - to assist,
to learn - to study,
to observe - to watch,
to call - to name,
to tell - to say,
to keep - to store, 
to solve - to decide,
to relate - to communicate,
to switch off - to turn off,
to feed - to input.