KEEPITDOWN

INITIALIZEAssign a starting value, in computer programming lingo ... or a phonetic hint to 10- and 14-Across? REINFORCERIt strengthens control over police, right? EYEWITNESSTrial figure giving a firsthand account WISHYWASHYWith one throw, twice as weak? AYECAPTAINSailor's "Yes, sir!" GOBSTOPPERA hard sweet for a hard palate maybe? NISSANLEAFElectric vehicle from Japan ATANYPRICEPay certain crackpot, no matter the cost LEADINGMANMale movie star STUNTWOMANFilm's female daredevil POCKETDIALCall unwittingly OUTONALIMBPositioned precariously … or where the ends of 16-, 24-, 35- and 49-Across can all be found IOWEYOUONE"Thanks so much!" FLOURISHEDWaved to attract attention if shoulder broken (10)