TINKERING
Scrabble letter values: T1I1N1K5E1R1I1N1G2 = 14
Definition
TINKERING is the present participle of TINKER.
verb TINKER: do random, unplanned work or activities or spend time idly.
Synonyms of TINKER: putter, mess_around, potter, monkey, monkey_around, muck_about, muck_around