sincere
adjective
[ sɪnˈsɪə ]
• free from pretence or deceit; proceeding from genuine feelings.
• "they offer their sincere thanks to Paul"
Similar:
heartfelt,
wholehearted,
profound,
deep,
from the heart,
genuine,
real,
unfeigned,
unaffected,
true,
honest,
bona fide,
earnest,
cordial,
fervent,
ardent,
devout,
full-hearted,
truthful,
unhypocritical,
meaning what one says,
straightforward,
direct,
frank,
candid,
artless,
guileless,
ingenuous,
straight,
upfront,
on the level,
on the up and up,
dinkum,
Origin:
mid 16th century (also in the sense ‘not falsified, unadulterated’): from Latin sincerus ‘clean, pure’.