Synonyms For "Friendly" :

1 syllable:

warm

2 syllables:

chummy, cordial, couthie, cozy, genial, gracious, matey, pally, social

3 syllables:

affable, comradely, congenial, couthy, informal, intimate, neighborly, neighbourly, sociable

4 syllables:

amiable, amicable, companionate, hospitable