checking

examine so as to determine accuracy, quality, or condition;
make an examination or investigation;
be careful or certain to do something; make certain of something;
lessen the intensity of; temper; hold in restraint; hold or keep within limits;
stop for a moment, as if out of uncertainty or caution;
put a check mark on or near or next to;
slow the growth or development of;
be verified or confirmed; pass inspection;
be compatible, similar or consistent; coincide in their characteristics;
block or impede (a player from the opposing team) in ice hockey
develop (children's) behavior by instruction and practice; especially to teach self-control;
consign for shipment on a vehicle;
hand over something to somebody as for temporary safekeeping;
abandon the intended prey, turn, and pursue an inferior prey
stop in a chase especially when scent is lost;
mark into squares or draw squares on; draw crossed lines on
decline to initiate betting
hold back, as of a danger or an enemy; check the expansion or influence of;
place into check;
write out a check on a bank account
find out, learn, or determine with certainty, usually by making an inquiry or other effort;
verify by consulting a source or authority;
arrest the motion (of something) abruptly;
make cracks or chinks in;
become fractured; break or crack on the surface only;

checking is a valid Scrabble (US) TWL word

checking is a valid Scrabble Word in Merriam-Webster MW Dictionary

checking is a valid Scrabble Word in International Collins CSW Dictionary

checking is a valid Words With Friends word