(a.) Expressing gratulation or joy; congratulatory.

acclamatory admiring adulatory appreciative approbatory bland blandishing blarneying buttery cajoling charitable commendatory congratulational congratulatory costless courtierly courtly eleemosynary encomiastic eulogistic expenseless fair-spoken fawning fine-spoken flattering for free for love for nothing free free as air free for nothing free gratis free of charge free of cost freebie fulsome giftlike given gratis gratuitous gratulant gratulatory gushing honey-mouthed honey-tongued honeyed insincere insinuating laudatory mealymouthed obsequious oily oily-tongued on the house panegyric panegyrical regardful respectful slimy slobbery smarmy smooth smooth-spoken smooth-tongued soapy soft-soaping sycophantic unbought unctuous unpaid-for untaxed wheedling without charge