with all one's heart (adverb) truly: really, doubtlessly
Sinonime: absolutely,
accurately,
actually, authentically, beyond doubt, beyond question, confirmedly,
constantly,
correctly,
de facto,
definitely, devotedly,
exactly, factually, faithfully,
firmly,
genuinely,
honestly, honorably, in actuality, in fact, in reality, in truth, legitimately, loyally,
positively,
precisely, reliably, righteously, rightly,
sincerely, staunchly, steadily,
surely, truthfully, unequivocally, veraciously, veritably,
very, with all one's heart, with devotion, without a doubt
Antonime: doubtfully, dubiously,
indefinite