Sentimental

nostalgic, tender, affectionate

Sensible

practical, realistic, responsible

Sensation

feeling, sense, awareness

Militia

military force raised from the civil population

militant

aggressive support of something

militarize

equip or supply with soldiers and other resources

Associate

link, connect, relate

socialize

interact, converse, mingle

asocial

avoiding interaction with others

dissociate

disconnect or separate