Ingratiating

[ɪn'ɡreʃɪetɪŋ]

(adj.) calculated to please or gain favor; 'a smooth ingratiating manner' .

(adj.) capable of winning favor; 'with open arms and an ingratiating smile' .

Edited by Gail--From WordNet

(p. pr. & vb. n.) of Ingratiate

Checker: Uriah